@article{AL_1969_8_4_a5,
     author = {V. D. Mazurov},
     title = {The restricted {Burnside} problem for exponent 30},
     journal = {Algebra i logika},
     pages = {460--477},
     publisher = {mathdoc},
     volume = {8},
     number = {4},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1969_8_4_a5/}
}