A proof of the subgroup theorem for free products

This publication has 8 references indexed in Scilit:

• The Theory of Groups. By A. G. Kurosh. Translated from the Russian and edited by K. A. Hirsch. 2 vols. Pp. 272, 308. $4.95, $4.95. 1955, 1956. (Chelsea Publ. Co., New York) - Gruppentheorie. Von Wilhelm Specht. (Grundlehren d. math. Wiss. Bd. 82.) Pp. vii +457. DM. 69.60. 1956. (Springer-Verlag, Berlin)
  The Mathematical Gazette, 1958
• The Reidemeister‐Schreier and Kuroš subgroup theorems
  Mathematika, 1956
• Gruppentheorie
  Published by Springer Nature ,1956
• Subgroups of free products
  Pacific Journal of Mathematics, 1953
• Subgroup Theorems for Groups Presented by Generators and Relations
  Annals of Mathematics, 1952
• Bemerkungen über den Untergruppensatz in freien Produkte
  Proceedings of the Japan Academy, Series A, Mathematical Sciences, 1944
• Die Untergruppen der freien Produkte von beliebigen Gruppen
  Mathematische Annalen, 1934
• Zu einer Arbeit von 0. schreier
  Abhandlungen aus dem Mathematischen Seminar der Universitat Hamburg, 1931