@article{MZM_1988_43_1_a4,
     author = {B. E. Batyrov and V. I. Burenkov},
     title = {Averaging operator in the $L_p$ spaces for $0<p<1$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {38--43},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_43_1_a4/}
}