@article{FPM_2003_9_1_a15,
     author = {P. V. Tumarkin},
     title = {Groups of signature $(0;n;0)$},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {259--262},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2003_9_1_a15/}
}