Избрани публикации:

1. Quasilinearization for the periodic boundary value problem for hybrid differential equation. Cent. Eur. J. Math. 2 (2004), no. 2, 250--259 (with Hall, L. M).

2.  Nonlinear delay integral inequalities for piecewise continuous functions and applications.,J. Inequal. Pure Appl. Math. 5 (2004), no. 4, Article 88.

3. A note on quasilinearization for impulsive systems. Dyn. Contin. Discrete Impuls. Syst. Ser. A Math. Anal. 11 (2004), no. 1, 133--147. (with Eloe, P)

4. Method of quasilinearization for the periodic boundary value problem for impulsive differential-difference equations. Commun. Appl. Anal. 7 (2003), no. 2-3, 153--170. (with Bainov, D. D, Barbanti,L.)

5. Razumikhin technique for boundedness of the solutions of impulsive integrodifferential equations. Math. Comput. Modelling 34 (2001), no. 7-8, 839—847  (with Roberts, L. F).

6. Monotone-iterative method of V. Lakshmikantham for a periodic boundary value problem for a class of differential equations with "supremum". Nonlinear Anal. 44 (2001), no. 5, Ser. A: Theory Methods, 601—612 (with Roberts, L. F).

7. The method of quasilinearization for the periodic boundary value problem for systems of impulsive differential equations. Appl. Math. Comput. 117 (2001), no. 1, 73—85 (with Bainov, D. D).  

8. Monotone-iterative techniques of V. Lakshmikantham for a boundary value problem for systems of impulsive differential-difference equations. J. Math. Anal. Appl. 197 (1996), no. 1, 1—13 (with Bainov, D. D).

9. Lyapunov's functions and boundedness of the solutions of impulsive differential equations. Appl. Anal. 59 (1995), no. 1-4, 257—269 ( with Bainov, D. D, Dishliev, А.)

10. Application of the monotone-iterative techniques of V. Lakshmikantham for solving the initial value problem for impulsive differential-difference equations. Rocky Mountain J. Math. 23 (1993), no. 2, 609—618 (with Bainov, D. D)

11.  Periodic boundary value problems for systems of first order impulsive differential equations. Differential Integral Equations 2 (1989), no. 1, 37—43 (with Bainov, D. D, .Hu,S.C., Lakshmikantham, V.).

12.  Existence of periodic solutions of nonlinear systems of differential equations with impulse effect. J. Math. Anal. Appl. 125 (1987), no. 1, 192—202(with Bainov, D.)

13.  A projection-iterative method for finding periodic solutions of nonlinear systems of difference-differential equations with impulses. J. Approx. Theory 49 (1987), no. 4, 311—320 (with Bainov, D. D)

14.  Application of Liapunov's functions for studying the boundedness of solutions of systems with impulses. COMPEL 5 (1986), no. 1, 23—40( with Bainov, D. D)

15.  Existence, uniqueness and asymptotic expansion of the solution of a multipoint boundary-value problem with parameters for a singularly-perturbed system of integro-differential equations. Proc. Roy. Soc. Edinburgh Sect. A 92 (1982), no. 1-2, 103—112 (with Bainov, D. D)

Д-р С. Христова има над 100 публикувани статии в реферирани научни списания, а част от получените резултати са цитирани в над 80 научни статии и монографии.