by Demidenko, G. V., Vodop’yanov, E. S., Skvortsova, M. A.
Published in Journal of applied and industrial mathematics (01.10.2013)

by BEREZNITSKIJ YAKOV S,SU, KARPENKO EDUARD P,SU, VODOPYANOV VITALIJ E,SU, CHUKHRIENKO NEONILLA D,SU
Year of Publication 30.11.1979