%0 Journal Article %A N. N. Elkin %T Diffractive eigenmode calculations in unstable optical resonators with gain medium %J Matematičeskoe modelirovanie %D 1990 %P 104-119 %V 2 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1990_2_5_a6/ %G ru %F MM_1990_2_5_a6