TY - JOUR AU - B. I. Birman AU - B. L. Timan TI - An analysis of conditions for the appearance of varied distribution of impurities in crystals in the case of directional crystallization JO - Doklady Akademii Nauk PY - 1965 SP - 78 EP - 80 VL - 161 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1965_161_1_a20/ LA - ru ID - DAN_1965_161_1_a20 ER -