%0 Journal Article %A R. G. Pinelis %T On the problem of determining the position of a non-linear discrete system in the phase space %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1967 %P 132-137 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1967_6_a15/ %G ru %F VMUMM_1967_6_a15