Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1990__26_1_a3, author = {\v{C}adek, Martin}, title = {A note to pointwise transformations of linear quasi-differential equations}, journal = {Archivum mathematicum}, pages = {27--35}, publisher = {mathdoc}, volume = {26}, number = {1}, year = {1990}, mrnumber = {1188071}, zbl = {0731.34007}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1990__26_1_a3/} }
Čadek, Martin. A note to pointwise transformations of linear quasi-differential equations. Archivum mathematicum, Tome 26 (1990) no. 1, pp. 27-35. http://geodesic.mathdoc.fr/item/ARM_1990__26_1_a3/