Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1972_8_1_a13, author = {R. S. Saks}, title = {Boundary value problems for the system ${\rm rot}\ u+\lambda u=h$}, journal = {Differencialʹnye uravneni\^a}, pages = {126--133}, publisher = {mathdoc}, volume = {8}, number = {1}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1972_8_1_a13/} }
R. S. Saks. Boundary value problems for the system ${\rm rot}\ u+\lambda u=h$. Differencialʹnye uravneniâ, Tome 8 (1972) no. 1, pp. 126-133. http://geodesic.mathdoc.fr/item/DE_1972_8_1_a13/