TY  - JOUR
AU  - Christian Herrmann
TI  - On the Word Problem for the Modular Lattice with Four Free Generators.
JO  - Mathematische Annalen
PY  - 1983
SP  - 513
EP  - 528
VL  - 265
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1983__265_163836/
ID  - MAN_1983__265_163836
ER  -