TY  - JOUR
AU  - A. Plichko
AU  - A. Razenkov
TI  - On three problems from the Scottish Book connected with orthogonal systems
JO  - Colloquium Mathematicum
PY  - 1996
SP  - 227
EP  - 234
VL  - 70
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-70-2-227-234/
DO  - 10.4064/cm-70-2-227-234
LA  - en
ID  - 10_4064_cm_70_2_227_234
ER  -