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@article{DAN_1985_281_6_a5, author = {I. A. Kipriyanov and L. A. Ivanov}, title = {The {Huygens} principle for some equations in a symmetric space}, journal = {Doklady Akademii Nauk}, pages = {1310--1313}, publisher = {mathdoc}, volume = {281}, number = {6}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1985_281_6_a5/} }
I. A. Kipriyanov; L. A. Ivanov. The Huygens principle for some equations in a symmetric space. Doklady Akademii Nauk, Tome 281 (1985) no. 6, pp. 1310-1313. http://geodesic.mathdoc.fr/item/DAN_1985_281_6_a5/