%0 Journal Article %A E. V. Grigoryeva %A S. A. Kashchenko %T Poincar\'e mappings in laser models with periodic modulation of the parameters %J Differencialʹnye uravneniâ %D 1995 %P 16-22 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_1_a2/ %G ru %F DE_1995_31_1_a2