%0 Journal Article %A Hájek, Otomar %T Characteristics of modular finite-length lattices %J Czechoslovak Mathematical Journal %D 1965 %P 521-525 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1965.100691/ %R 10.21136/CMJ.1965.100691 %G en %F 10_21136_CMJ_1965_100691