%0 Journal Article %A Fečkan, Michal %T A certain type of partial differential equations on tori %J Mathematica Bohemica %D 1992 %P 365-372 %V 117 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1992.126061/ %R 10.21136/MB.1992.126061 %G en %F 10_21136_MB_1992_126061