@article{CMUC_1981_22_1_a16,
     author = {Herrmann, Leopold},
     title = {Sur les solutions p\'eriodiques des \'equations paraboliques du deuxi\`eme ordre avec les coefficients discontinus},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {211--212},
     year = {1981},
     volume = {22},
     number = {1},
     zbl = {0456.35005},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1981_22_1_a16/}
}