@article{bwmeta1.element.bwnjournal-article-fmv57i1p12bwm,
author = {Iqbalunnisa},
title = {On some problems of G. Gratzer and E. T. Schmidt},
journal = {Fundamenta Mathematicae},
volume = {57},
year = {1965},
pages = {181-185},
zbl = {0154.00904},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv57i1p12bwm}
}
Iqbalunnisa. On some problems of G. Gratzer and E. T. Schmidt. Fundamenta Mathematicae, Tome 57 (1965) pp. 181-185. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv57i1p12bwm/