TY - JOUR AU - E. P. Golubeva TI - Quadratic irrationals with the fixed length of the period of the expansion in the continued fraction JO - Zapiski Nauchnykh Seminarov POMI PY - 1991 SP - 5 EP - 30 VL - 196 UR - http://geodesic.mathdoc.fr/item/ZNSL_1991_196_a0/ LA - ru ID - ZNSL_1991_196_a0 ER -