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@article{DAN_1991_320_4_a13, author = {V. P. Khakhlyutin}, title = {On a problem in integral geometry in the plane}, journal = {Doklady Akademii Nauk}, pages = {832--834}, publisher = {mathdoc}, volume = {320}, number = {4}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a13/} }
V. P. Khakhlyutin. On a problem in integral geometry in the plane. Doklady Akademii Nauk, Tome 320 (1991) no. 4, pp. 832-834. http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a13/