MathSciNet Relay Station
MathSciNet bibliographic data
MR286891 (44 #4098) 20.48 (55.00)
Zieschang, Heiner On extensions of fundamental groups of surfaces and related groups. Bull. Amer. Math. Soc. 77 1971 1116–1119.
For users without a MathSciNet license , Relay Station allows linking from MR numbers in online mathematical literature directly to electronic journals and original articles. Subscribers receive the added value of full MathSciNet reviews.

Username/Password Subscribers access MathSciNet here

AMS Home Page

American Mathematical Society American Mathematical Society
201 Charles Street
Providence, RI 02904-6248 USA
© Copyright 2016, American Mathematical Society
Privacy Statement