@article{ZNSL_1974_39_a0,
     author = {N. K. Nikol'skii},
     title = {Preface of the {Editor}},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {6},
     publisher = {mathdoc},
     volume = {39},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1974_39_a0/}
}