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- [1] NOTE ON RESIDUAL FINITENESS OF GENERALIZED FREE PRODUCTS DOKLADY AKADEMII NAUK BELARUSI, 1979, 23 (02): : 112 - 114
- [5] The existence and location of the near Frattini subgroup in certain generalized free products HOUSTON JOURNAL OF MATHEMATICS, 2000, 26 (03): : 463 - 468