@article{TVP_1977_22_3_a7,
     author = {V. A. Ivanov and {\CYRA}. E. Novikov},
     title = {{\CYRO}n the distribution of the time up to the first occurence of a~given number of different $l$-tuple series},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {546--555},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1977_22_3_a7/}
}