Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1990_313_4_a4, author = {S. Z. Levendorskii}, title = {The algebra of boundary value problems for a class of}, journal = {Doklady Akademii Nauk}, pages = {795--798}, publisher = {mathdoc}, volume = {313}, number = {4}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_4_a4/} }
S. Z. Levendorskii. The algebra of boundary value problems for a class of. Doklady Akademii Nauk, Tome 313 (1990) no. 4, pp. 795-798. http://geodesic.mathdoc.fr/item/DAN_1990_313_4_a4/