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@article{MAT_1969_13_2_a2, author = {Ph. Hall and G. Higman}, title = {On the $p$-length of $p$-soluble groups and reduction theorems for {Burnside's} problem}, journal = {Matematika}, pages = {64--104}, publisher = {mathdoc}, volume = {13}, number = {2}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1969_13_2_a2/} }
Ph. Hall; G. Higman. On the $p$-length of $p$-soluble groups and reduction theorems for Burnside's problem. Matematika, Tome 13 (1969) no. 2, pp. 64-104. http://geodesic.mathdoc.fr/item/MAT_1969_13_2_a2/