@article{ZNSL_1974_39_a6,
     author = {O. A. Orevkova},
     title = {On the trigonometric approximation in the space $L^2(R^{\alpha},f)$},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {94--103},
     publisher = {mathdoc},
     volume = {39},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1974_39_a6/}
}