@article{IVM_1999_8_a5, author = {A. D. Nakhman}, title = {Lebesgue constants of arithmetic means of double {Fourier--Legendre} sums}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {37--46}, publisher = {mathdoc}, number = {8}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1999_8_a5/} }