@article{FAA_1975_9_4_a12,
     author = {E. P. Gomozov},
     title = {A versality theorem for a bilateral group of changes of variables},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {69--70},
     publisher = {mathdoc},
     volume = {9},
     number = {4},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1975_9_4_a12/}
}