TY - JOUR AU - A. A. Flerov TI - Sets with not more than two-valued metric projection on planes JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2013 SP - 14 EP - 19 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2013_6_a2/ LA - ru ID - VMUMM_2013_6_a2 ER -