TY  - JOUR
AU  -  Iqbalunnisa
TI  - On some problems of G. Gratzer and E. T. Schmidt
JO  - Fundamenta Mathematicae
PY  - 1965
SP  - 181
EP  - 185
VL  - 57
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/fm-57-2-181-185/
DO  - 10.4064/fm-57-2-181-185
LA  - de
ID  - 10_4064_fm_57_2_181_185
ER  -