On extensions of fundamental groups of surfaces and related groups
Zieschang, Heiner
Bull. Amer. Math. Soc., Tome 77 (1971) no. 6, p. 1116-1119 / Harvested from Project Euclid
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Publié le : 1971-11-14
Classification:  20F25,  20H10,  20H15,  55F55 
@article{1183533207,
     author = {Zieschang, Heiner},
     title = {On extensions of fundamental groups of surfaces and related groups},
     journal = {Bull. Amer. Math. Soc.},
     volume = {77},
     number = {6},
     year = {1971},
     pages = { 1116-1119},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183533207}
}

Zieschang, Heiner. On extensions of fundamental groups of surfaces and related groups. Bull. Amer. Math. Soc., Tome 77 (1971) no. 6, pp.  1116-1119. http://gdmltest.u-ga.fr/item/1183533207/