TY  - JOUR
AU  - Ivanov, Sergei
TI  - On aspherical presentations of groups
JO  - Electronic research announcements of the American Mathematical Society
PY  - 1998
SP  - 109
EP  - 114
VL  - 04
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-98-00052-3/
DO  - 10.1090/S1079-6762-98-00052-3
ID  - ERAAMS_1998_04_a14
ER  -