@article{IVM_2014_8_a6, author = {Majid Ali Choudhary}, title = {First nonzero eigenvalue of a~pseudo-umbilical hypersurface in the unit sphere}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {69--78}, year = {2014}, number = {8}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2014_8_a6/} }