@article{MZM_1987_41_2_a5,
     author = {G. G. Kosheleva},
     title = {Correction of step functions and summation of their fourier series by the ces\'aro methods of negative order},
     journal = {Matemati\v{c}eskie zametki},
     pages = {175--184},
     year = {1987},
     volume = {41},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1987_41_2_a5/}
}