@article{FAA_1979_13_4_a10, author = {I. M. Gel'fand and S. G. Gindikin and M. I. Graev}, title = {A problem of integral geometry in $\mathbb{RP}^n$, connected with the integration of differential forms}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {64--66}, publisher = {mathdoc}, volume = {13}, number = {4}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_1979_13_4_a10/} }