Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1976_228_6_a6, author = {L. G. Mikhailov and V. Kreis}, title = {On an overdetermined system of partial differential equations}, journal = {Doklady Akademii Nauk}, pages = {1286--1289}, publisher = {mathdoc}, volume = {228}, number = {6}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_228_6_a6/} }
L. G. Mikhailov; V. Kreis. On an overdetermined system of partial differential equations. Doklady Akademii Nauk, Tome 228 (1976) no. 6, pp. 1286-1289. http://geodesic.mathdoc.fr/item/DAN_1976_228_6_a6/