TY - JOUR AU - D. Mangeron AU - E. Croitoru TI - A contribution to the general theory of reduced velocities in tangential coordinates JO - Doklady Akademii Nauk PY - 1963 SP - 54 EP - 56 VL - 148 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_148_1_a12/ LA - ru ID - DAN_1963_148_1_a12 ER -