TY - JOUR AU - N. V. Proskurin TI - On some discrete subgroups of the exceptional group $G_2(\mathbb{C})$, in connection with Eisenstein series JO - Zapiski Nauchnykh Seminarov POMI PY - 1990 SP - 124 EP - 141 VL - 183 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1990_183_a5/ LA - ru ID - ZNSL_1990_183_a5 ER -