TY -
GEN
AU - Bridson, Martin R.
TI -
On the existence of flat planes in spaces of nonpositive curvature
PB - American Mathematical Society (AMS)
SN - 0002-9939
SN - 1088-6826
KW - Applied Mathematics
KW - General Mathematics
PY - 1995
UR - http://slubdd.de/katalog?TN_libero_mab2
ER -