@article{1195521698, author = {Shinkai, Kenzo}, title = {A note on regularity of null solutions}, journal = {Proc. Japan Acad.}, volume = {43}, number = {5}, year = {1967}, pages = { 134-137}, language = {en}, url = {http://dml.mathdoc.fr/item/1195521698} }
Shinkai, Kenzo. A note on regularity of null solutions. Proc. Japan Acad., Tome 43 (1967) no. 5, pp. 134-137. http://gdmltest.u-ga.fr/item/1195521698/