Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1997_33_1_a10, author = {V. V. Filippov}, title = {On a theorem of {Aronszajn}}, journal = {Differencialʹnye uravneni\^a}, pages = {75--79}, publisher = {mathdoc}, volume = {33}, number = {1}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1997_33_1_a10/} }
V. V. Filippov. On a theorem of Aronszajn. Differencialʹnye uravneniâ, Tome 33 (1997) no. 1, pp. 75-79. http://geodesic.mathdoc.fr/item/DE_1997_33_1_a10/