TY  - JOUR
AU  - Nikolaos Marmaridis
TI  - One point extensions of trees and quadratic forms
JO  - Fundamenta Mathematicae
PY  - 1990
SP  - 15
EP  - 35
VL  - 134
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-134-1-15-35/
DO  - 10.4064/fm-134-1-15-35
LA  - en
ID  - 10_4064_fm_134_1_15_35
ER  -