Snezhana G. Hristova, Drumi D. Bainov. Numeric-analytic method for finding the periodic solutions of nonlinear differential-difference equations with impulses. Computing, 38(4):363-368, 1987. [doi]
@article{HristovaB87,
title = {Numeric-analytic method for finding the periodic solutions of nonlinear differential-difference equations with impulses},
author = {Snezhana G. Hristova and Drumi D. Bainov},
year = {1987},
doi = {10.1007/BF02278714},
url = {http://dx.doi.org/10.1007/BF02278714},
researchr = {https://researchr.org/publication/HristovaB87},
cites = {0},
citedby = {0},
journal = {Computing},
volume = {38},
number = {4},
pages = {363-368},
}