Introduction to the algebraic theory of fundamental groups
Singularités à Cargèse, Astérisque, no. 7-8 (1973), pp. 223-240 
@incollection{AST_1973__7-8__223_0,
     author = {Popp, Herbert},
     title = {Introduction to the algebraic theory of fundamental groups},
     booktitle = {Singularit\'es \`a Carg\`ese},
     series = {Ast\'erisque},
     pages = {223--240},
     year = {1973},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {7-8},
     mrnumber = {401763},
     zbl = {0295.14013},
     language = {en},
     url = {https://www.numdam.org/item/AST_1973__7-8__223_0/}
}
TY  - CHAP
AU  - Popp, Herbert
TI  - Introduction to the algebraic theory of fundamental groups
BT  - Singularités à Cargèse
AU  - Collectif
T3  - Astérisque
PY  - 1973
SP  - 223
EP  - 240
IS  - 7-8
PB  - Société mathématique de France
UR  - https://www.numdam.org/item/AST_1973__7-8__223_0/
LA  - en
ID  - AST_1973__7-8__223_0
ER  - 
%0 Book Section
%A Popp, Herbert
%T Introduction to the algebraic theory of fundamental groups
%B Singularités à Cargèse
%A Collectif
%S Astérisque
%D 1973
%P 223-240
%N 7-8
%I Société mathématique de France
%U https://www.numdam.org/item/AST_1973__7-8__223_0/
%G en
%F AST_1973__7-8__223_0
Popp, Herbert. Introduction to the algebraic theory of fundamental groups, dans Singularités à Cargèse, Astérisque, no. 7-8 (1973), pp. 223-240. https://www.numdam.org/item/AST_1973__7-8__223_0/

[1] E. Brieskorn, Die Fundamentalgruppe des Raumes der regulären Orbits einer endlichen Komplexen Spiegelungsgruppe. Inventiones Mathematicae 12 (1971), 57-61. | MR | Zbl | EuDML | DOI

[2] G. Edmunds, Covering of node curves. J. London Math. Soc. (2) 1 (1969), 473-479. | MR | Zbl | DOI

[3] W-D. Geyer, Zahm verzweigte Überlagerungen mit orthosingulärem Verzweigungsort. Inventiones Math. 15 (1972), 67-71. | MR | Zbl | EuDML | DOI

[4] H. Grauert, R. Remmert, Komplexe Räume, Math. Ann. 136 (1958), 245-318. | MR | Zbl | EuDML | DOI

[5] A. Grothendieck, Revêtements étales et groupe fondamental (SGA 1) Lecture notes in Math. 224 (1971).

[6] H. Popp, Fundamentalgruppen algebraischer MannigfaltigKeiten. Lecture notes in Math. 176 (1970). | MR | Zbl

[7] J. P. Serre, Exemples de variétés projectives conjugées non homéomorphes. C.R. Acad. Sci. Paris 258 (1964), 4194-4196. | MR | Zbl