@article{JRAM_1972__256_151250,
     author = {K.W. Roggenkamp},
     title = {Some necessary conditions for orders to be of finite lattice type. {I.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {107--129},
     publisher = {mathdoc},
     volume = {256},
     year = {1972},
     zbl = {0238.16008},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1972__256_151250/}
}