@article{FAA_1992_26_4_a15, author = {Yu. Yu. Kochetkov and G. F. Post}, title = {Deformations of the nilpotent infinite-dimensional {Lie} algebra $L_2$}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {90--92}, publisher = {mathdoc}, volume = {26}, number = {4}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1992_26_4_a15/} }