TY - JOUR AU - G. A. Gal'perin TI - A solution of Proizvolov's problem of covering a multidimensional JO - Doklady Akademii Nauk PY - 1987 SP - 283 EP - 288 VL - 293 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_293_2_a4/ LA - ru ID - DAN_1987_293_2_a4 ER -