%0 Journal Article %A Marina S. Apanovich %A Evgeny K. Leinartas %T Correctness of a two-dimensional Cauchy problem for a polynomial difference operator with constant coefficients %J Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika %D 2017 %P 199-205 %V 10 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JSFU_2017_10_2_a6/ %G en %F JSFU_2017_10_2_a6