@article{ZNSL_1977_73_a10,
     author = {S. V. Khrushchev},
     title = {Entropy meaning of summability of the logarithm},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {152--187},
     year = {1977},
     volume = {73},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1977_73_a10/}
}