%0 Journal Article %A V. B. Kir'yanov %A V. S. Yarunin %T Superradiant phase transitions of Fermi and bose operators with trilinear interaction %J Teoretičeskaâ i matematičeskaâ fizika %D 1982 %P 456-464 %V 51 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1982_51_3_a16/ %G ru %F TMF_1982_51_3_a16