@article{IVM_1966_3_a20,
     author = {A. H. Turetzkii},
     title = {A~class of functions for which a~given summation method yields the best order {approximation.~II}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {159--165},
     publisher = {mathdoc},
     number = {3},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1966_3_a20/}
}