@article{DE_1993_29_10_a8,
     author = {T. Zh. Esirkepov},
     title = {Transformation groups with a function parameter},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1733--1738},
     year = {1993},
     volume = {29},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_10_a8/}
}