@article{GDZPPN002191148,
title = {Some special subsets of intervals of a locally finite locally semi-modular, local lattice.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {272},
year = {1975},
pages = {207-217},
zbl = {0358.06008},
url = {http://dml.mathdoc.fr/item/GDZPPN002191148}
}
McDonald, Dennis A. Some special subsets of intervals of a locally finite locally semi-modular, local lattice.. Journal für die reine und angewandte Mathematik, Tome 272 (1975) pp. 207-217. http://gdmltest.u-ga.fr/item/GDZPPN002191148/