References
Gruenberg, K. W.: Residual properties of infinite soluble groups. Proc. London Math. Soc. (3)7, 29–62 (1957).
Hall, jr., Marshall: The theory of groups. New York: Macmillan 1959.
Hall, P.: Splitting properties of relatively free groups. Proc. London Math. Soc. (3)4, 343–356 (1954).
Kostrikin, A. I.: On Burnside's problem. Izv. Akad. Nauk S.S.S.R., Ser. Mat.23, 3–34 (1959).
Neumann, Hanna: On varieties of groups and their associated near-rings. Math. Z.65, 36–69 (1956).
Neumann, Hanna Varieties of groups. Manchester College of Science and Technology. (Lecture notes.) 1963.
Neumann, Peter M.: Word subgroups of free groups. Unpublished.
Schreier, O.: Die Untergruppen der freien Gruppen. Abh. Math. Sem. Hamburg5, 161–183 (1927).
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Neumann, P.M., Wiegold, J. Schreier varieties of groups. Math Z 85, 392–400 (1964). https://doi.org/10.1007/BF01115359
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DOI: https://doi.org/10.1007/BF01115359