@article{MZ_1961__76_169959,
     author = {S.P. Avann},
     title = {Distributive properties in semi-modular lattices.},
     journal = {Mathematische Zeitschrift},
     pages = {283--287},
     publisher = {mathdoc},
     volume = {76},
     year = {1961},
     zbl = {0207.32103},
     url = {http://geodesic.mathdoc.fr/item/MZ_1961__76_169959/}
}