@article{VMUMM_1994_5_a14,
     author = {D. V. Zhdanovich},
     title = {Deformations of $GL_2(\mathbf{C})$ and $SL_2(\mathbf{C})$},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {63--65},
     year = {1994},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1994_5_a14/}
}