TY - JOUR AU - Fečkan, Michal TI - A certain type of partial differential equations on tori JO - Mathematica Bohemica PY - 1992 SP - 365 EP - 372 VL - 117 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.1992.126061/ DO - 10.21136/MB.1992.126061 LA - en ID - 10_21136_MB_1992_126061 ER -