TY - JOUR AU - G. G. Mikhailichenko TI - Phenomenological and group symmetries in the geometry of two sets (theory of physical structures) JO - Doklady Akademii Nauk PY - 1985 SP - 39 EP - 43 VL - 284 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_284_1_a7/ LA - ru ID - DAN_1985_284_1_a7 ER -