TY - JOUR AU - V. M. Tsvetkov TI - On the Euler--Poincare characteristic of pro-$p$-groups JO - Zapiski Nauchnykh Seminarov POMI PY - 1977 SP - 256 EP - 258 VL - 71 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1977_71_a17/ LA - ru ID - ZNSL_1977_71_a17 ER -