%0 Journal Article %A Fam Le Kien %T Multiphoton $N$-level $(N-1)$-mode system with combined configuration of transitions %J Doklady Akademii Nauk %D 1989 %P 1112-1115 %V 304 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_304_5_a19/ %G ru %F DAN_1989_304_5_a19