TY - JOUR AU - V. A. Bronshten TI - Breakup of a comet as a possible cause of the impact structure group formation JO - Doklady Akademii Nauk PY - 1986 SP - 307 EP - 308 VL - 287 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_287_2_a11/ LA - ru ID - DAN_1986_287_2_a11 ER -