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@article{DAN_1989_307_2_a9, author = {A. V. Pokrovskii}, title = {Measures of unpredictability of binary sequences}, journal = {Doklady Akademii Nauk}, pages = {300--303}, publisher = {mathdoc}, volume = {307}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_307_2_a9/} }
A. V. Pokrovskii. Measures of unpredictability of binary sequences. Doklady Akademii Nauk, Tome 307 (1989) no. 2, pp. 300-303. http://geodesic.mathdoc.fr/item/DAN_1989_307_2_a9/