Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1998_12_3-4_a1, author = {A. Canoglu and D. P. Allahverdiev}, title = {Extensions of a {Symmetric} {Second-Order} {Differential} {Operator}}, journal = {Mathematica balkanica}, pages = {271}, publisher = {mathdoc}, volume = {12}, number = {3-4}, year = {1998}, url = {http://geodesic.mathdoc.fr/item/MABA_1998_12_3-4_a1/} }
A. Canoglu; D. P. Allahverdiev. Extensions of a Symmetric Second-Order Differential Operator. Mathematica balkanica, Tome 12 (1998) no. 3-4, p. 271. http://geodesic.mathdoc.fr/item/MABA_1998_12_3-4_a1/