@article{IVM_2007_2_a0,
     author = {M. G. Esmaganbetov},
     title = {Exact {Jackson-Stechkin} inequalities and diameters of classes of functions from $L_2(R^2,e^{-x^2-y^2})$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--9},
     publisher = {mathdoc},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2007_2_a0/}
}