@article{102452, author = {Jaroslav Bart\'ak and Otto Vejvoda}, title = {Periodic solutions to linear partial differential equations of the first order}, journal = {Czechoslovak Mathematical Journal}, volume = {41}, year = {1991}, pages = {185-202}, zbl = {0778.35005}, mrnumber = {1105435}, language = {en}, url = {http://dml.mathdoc.fr/item/102452} }
Barták, Jaroslav; Vejvoda, Otto. Periodic solutions to linear partial differential equations of the first order. Czechoslovak Mathematical Journal, Tome 41 (1991) pp. 185-202. http://gdmltest.u-ga.fr/item/102452/
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