This publication is cited in the following articles:
K. U. Khubiev, “Zadacha Bitsadze—Samarskogo dlya nagruzhennogo giperbolo-parabolicheskogo uravneniya c vyrozhdeniem poryadka v oblasti ego giperbolichnosti”, Differentsialnye uravneniya i matematicheskaya fizika, Itogi nauki i tekhn. Sovrem. mat. i ee pril. Temat. obz., 198, VINITI RAN, M., 2021, 123–132