12 citations to https://www.mathnet.ru/eng/semr404
N. E. Tokmagambetov, “Gellerstedt Equation with the Perturbation of the Cauchy Condition”, J. Math. Sci., 213:6 (2016), 910–916
T. Sh. Kal'menov, N. E. Tokmagambetov, “On a nonlocal boundary value problem for the multidimensional heat equation in a noncylindrical domain”, Siberian Math. J., 54:6 (2013), 1023–1028