@article{10_21136_CMJ_1985_102015,
     author = {Jakub{\'\i}k, J\'an},
     title = {On weak direct product decompositions of lattices and graphs},
     journal = {Czechoslovak Mathematical Journal},
     pages = {269--277},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {1985},
     doi = {10.21136/CMJ.1985.102015},
     mrnumber = {787129},
     zbl = {0576.06006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102015/}
}