TY - JOUR AU - S. V. Sudoplatov TI - Partial algebras associated with polygonometries of pairs of JO - Algebra i logika PY - 1997 SP - 454 EP - 476 VL - 36 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1997_36_4_a5/ LA - ru ID - AL_1997_36_4_a5 ER -