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@article{GMJ_1998__5_5_48266, author = {Khimshiashvili, G.}, title = {Homotopy classes of elliptic transmission problems over -algebras.}, journal = {Georgian Mathematical Journal}, pages = {453--468}, publisher = {mathdoc}, volume = {5}, number = {5}, year = {1998}, zbl = {0923.46048}, language = {en}, url = {http://geodesic.mathdoc.fr/item/GMJ_1998__5_5_48266/} }
Khimshiashvili, G. Homotopy classes of elliptic transmission problems over -algebras.. Georgian Mathematical Journal, Tome 5 (1998) no. 5, pp. 453-468. http://geodesic.mathdoc.fr/item/GMJ_1998__5_5_48266/