Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1994_8_4_a1, author = {SvetIa Spirova}, title = {Strong {Solvability} of a {Boundary} {Value} {Problem} for an {Equation} of {Mixed} {Type}}, journal = {Mathematica balkanica}, pages = {287}, publisher = {mathdoc}, volume = {8}, number = {4}, year = {1994}, url = {http://geodesic.mathdoc.fr/item/MABA_1994_8_4_a1/} }
SvetIa Spirova. Strong Solvability of a Boundary Value Problem for an Equation of Mixed Type. Mathematica balkanica, Tome 8 (1994) no. 4, p. 287. http://geodesic.mathdoc.fr/item/MABA_1994_8_4_a1/