TY - JOUR AU - D. Przeworska-Rolewicz TI - On equations with several involutions of different orders and its applications to partial differential-difference equations JO - Studia Mathematica PY - 1969 SP - 101 EP - 113 VL - 32 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm-32-2-101-113/ DO - 10.4064/sm-32-2-101-113 LA - en ID - 10_4064_sm_32_2_101_113 ER -