TY  - JOUR
AU  - Havrda, Jan
TI  - Projection and covering in a set with orthogonality
JO  - Časopis pro pěstování matematiky
PY  - 1987
SP  - 245
EP  - 248
VL  - 112
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CPM.1987.118319/
DO  - 10.21136/CPM.1987.118319
LA  - en
ID  - 10_21136_CPM_1987_118319
ER  -