@article{10_21136_MB_1992_126061,
     author = {Fe\v{c}kan, Michal},
     title = {A certain type of partial differential equations on tori},
     journal = {Mathematica Bohemica},
     pages = {365--372},
     publisher = {mathdoc},
     volume = {117},
     number = {4},
     year = {1992},
     doi = {10.21136/MB.1992.126061},
     mrnumber = {1197286},
     zbl = {0795.35004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1992.126061/}
}