Journal of Computational and Applied Mathematics
1990. V. 33 № 1/3,2/3,3/3 (МФШ)
V. 32 № 1-2/6,3/3 (МФШ)
V. 31 № 1/4,2/2,3/2 (МФШ)
V. 30 № 1/3,2/3,3/3 (МФШ)
V. 29 № 1/3,2/3,3/3 (МФШ)