%0 Journal Article %A I. V. Il'in %T Application of symbolic dynamics to verify the transversality condition %J Differencialʹnye uravneniâ %D 1997 %P 486-494 %V 33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1997_33_4_a7/ %G ru %F DE_1997_33_4_a7