TY  - JOUR
AU  - A. Olejniczak
TI  - Note on the first order orthogonal projections
JO  - Applicationes Mathematicae
PY  - 1987
SP  - 135
EP  - 138
VL  - 19
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/am-19-1-135-138/
DO  - 10.4064/am-19-1-135-138
LA  - en
ID  - 10_4064_am_19_1_135_138
ER  -