@article{IVM_1979_11_a13,
     author = {E. V. Rzhavinskaya},
     title = {Mean approximation of functions by {Fourier{\textendash}Laguerre} sums},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {87--93},
     year = {1979},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1979_11_a13/}
}