@article{10_4153_CMB_1980_007_0,
     author = {Allenby, R. B. J. T. and Tang, C. Y. and Tang, S. Y.},
     title = {Notes on {Frattini} {Subgroups} of {Generalized} {Free} {Products} with {Cyclic} {Amalgamation}},
     journal = {Canadian mathematical bulletin},
     pages = {51--59},
     year = {1980},
     volume = {23},
     number = {1},
     doi = {10.4153/CMB-1980-007-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1980-007-0/}
}