@article{IVM_1981_1_a7,
     author = {V. K. Lashchenov},
     title = {Approximation of differentiable functions by partial sums of {a~Fourier{\textendash}Laguerre} series},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {44--57},
     year = {1981},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_1_a7/}
}