Homotopy invariance of some geometric properties of three-dimensional manifolds of nonpositive curvature
Algebra i analiz, Tome 3 (1991) no. 4, pp. 93-112
Cet article a éte moissonné depuis la source Math-Net.Ru
@article{AA_1991_3_4_a2,
author = {S. V. Buyalo},
title = {Homotopy invariance of some geometric properties of three-dimensional manifolds of nonpositive curvature},
journal = {Algebra i analiz},
pages = {93--112},
year = {1991},
volume = {3},
number = {4},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/AA_1991_3_4_a2/}
}
S. V. Buyalo. Homotopy invariance of some geometric properties of three-dimensional manifolds of nonpositive curvature. Algebra i analiz, Tome 3 (1991) no. 4, pp. 93-112. http://geodesic.mathdoc.fr/item/AA_1991_3_4_a2/