A proof and extension of Dehn's lemma
Matematika, Tome 4 (1960) no. 1, pp. 9-14
Cet article a éte moissonné depuis la source Math-Net.Ru
@article{MAT_1960_4_1_a1,
author = {A. Shapiro and J. H. Whitehead},
title = {A proof and extension of {Dehn's} lemma},
journal = {Matematika},
pages = {9--14},
year = {1960},
volume = {4},
number = {1},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/MAT_1960_4_1_a1/}
}
A. Shapiro; J. H. Whitehead. A proof and extension of Dehn's lemma. Matematika, Tome 4 (1960) no. 1, pp. 9-14. http://geodesic.mathdoc.fr/item/MAT_1960_4_1_a1/