For citations:

Kubyshkin E.P., Moryakova A.R. INVESTIGATION OF OSCILLATORY SOLUTIONS OF DIFFERENTIAL-DIFFERENCE EQUATIONS OF SECOND ORDER IN A CRITICAL CASE. Modeling and Analysis of Information Systems. 2015;22(3):439-447. (In Russ.) https://doi.org/10.18255/1818-1015-2015-3-439-447