@article{MZM_1987_41_6_a5,
     author = {S. V. Levizov},
     title = {Weakly lacunary {Walsh} series},
     journal = {Matemati\v{c}eskie zametki},
     pages = {807--818},
     publisher = {mathdoc},
     volume = {41},
     number = {6},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1987_41_6_a5/}
}