TY - JOUR AU - N. I. Pol'skii TI - Projective methods in applied mathematics JO - Doklady Akademii Nauk PY - 1962 SP - 787 EP - 790 VL - 143 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_143_4_a9/ LA - ru ID - DAN_1962_143_4_a9 ER -