[1] |
R. B. J. T. Allenby, On the residual finiteness of permutational products of groups, J. Austral. Math. Soc. 11 (1970), 504 – 506. · Zbl 0216.08502 |
[2] |
R. B. J. T. Allenby and C. Y. Tang, On the Frattini subgroups of generalized free products, Bull. Amer. Math. Soc. 80 (1974), 119 – 121. · Zbl 0286.20036 |
[3] |
Gilbert Baumslag, On the residual finiteness of generalised free products of nilpotent groups, Trans. Amer. Math. Soc. 106 (1963), 193 – 209. · Zbl 0112.25904 |
[4] |
D. Ž. Djoković and C. Y. Tang, On the Frattini subgroup of the generalized free product with amalgamation, Proc. Amer. Math. Soc. 32 (1972), 21 – 23. · Zbl 0212.36102 |
[5] |
Joan Landman Dyer, On the residual finiteness of generalized free products, Trans. Amer. Math. Soc. 133 (1968), 131 – 143. · Zbl 0175.29701 |
[6] |
R. J. Gregorac, On permutational products of groups, J. Austral. Math. Soc. 10 (1969), 111 – 135. · Zbl 0195.03801 |
[7] |
R. J. Gregorac, On residually finite generalized free products, Proc. Amer. Math. Soc. 24 (1970), 553 – 555. · Zbl 0215.10801 |
[8] |
Graham Higman and B. H. Neumann, On two questions of Itô, J. London Math. Soc. 29 (1954), 84 – 88. · Zbl 0055.01602 · doi:10.1112/jlms/s1-29.1.84 |
[9] |
B. H. Neumann, An essay on free products of groups with amalgamations, Philos. Trans. Roy. Soc. London. Ser. A. 246 (1954), 503 – 554. · Zbl 0057.01702 · doi:10.1098/rsta.1954.0007 |
[10] |
B. H. Neumann, Permutational products of groups, J. Austral. Math. Soc. 1 (1959/1960), 299 – 310. · Zbl 0095.01701 |
[11] |
B. H. Neumann, On amalgams of periodic groups, Proc. Roy. Soc. London Ser. A 255 (1960), 477 – 489. · Zbl 0092.02001 · doi:10.1098/rspa.1960.0081 |
[12] |
C. Y. Tang, On the Frattini subgroups of generalized free products with cyclic amalgamations, Canad. Math. Bull. 15 (1972), 569 – 573. · Zbl 0253.20039 · doi:10.4153/CMB-1972-099-5 |
[13] |
C. Y. Tang, On the Frattini subgroups of certain generalized free products of groups, Proc. Amer. Math. Soc. 37 (1973), 63 – 68. · Zbl 0253.20040 |
[14] |
Alice Whittemore, On the Frattini subgroup, Trans. Amer. Math. Soc. 141 (1969), 323 – 333. · Zbl 0184.04303 |