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@article{FAA_1993_27_3_a5, author = {L. E. Positsel'skii}, title = {Nonhomogeneous {Quadratic} {Duality} and {Curvature}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {57--66}, publisher = {mathdoc}, volume = {27}, number = {3}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1993_27_3_a5/} }
L. E. Positsel'skii. Nonhomogeneous Quadratic Duality and Curvature. Funkcionalʹnyj analiz i ego priloženiâ, Tome 27 (1993) no. 3, pp. 57-66. http://geodesic.mathdoc.fr/item/FAA_1993_27_3_a5/