TY - JOUR AU - I. Sh. Slavutskii TI - An estimate from above and the arithmetical calculation of the class-number of real quadratic fields JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1965 SP - 161 EP - 165 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1965_2_a20/ LA - ru ID - IVM_1965_2_a20 ER -