2 citations to https://www.mathnet.ru/eng/nano1083

1. Aziz Fayziyev, “NONLINEAR TWO-POINT BOUNDARY VALUE PROBLEM FOR A SECOND ORDER IMPULSIVE SYSTEM OF INTEGRO-DIFFERENTIAL EQUATIONS WITH MIXED MAXIMA”, VOGUMFT, 2023, no. 2(3), 208  
2. T. K. Yuldashev, “Periodicheskie resheniya sistemy integro-differentsialnykh uravnenii s impulsnymi vozdeistviyami i maksimumami”, Vestn. Sam. gos. tekhn. un-ta. Ser. Fiz.-mat. nauki, 226:2 (2022), 368–379