TY - JOUR AU - Yu. G. Reshetnyak AU - S. S. Kutateladze TI - Aleksandr Danilovich Aleksandrov (on the occasion of his eightieth birthday) JO - Matematičeskie trudy PY - 1992 SP - 3 EP - 4 VL - 21 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MT_1992_21_a0/ LA - ru ID - MT_1992_21_a0 ER -