@article{MOMA_1983__95_178117,
     author = {H. Burkill and Catherine V. Smallwood},
     title = {A {Generalization} of {Hanani's} {Theorem} on {Partial} {Order.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {177--180},
     publisher = {mathdoc},
     volume = {95},
     year = {1983},
     zbl = {0507.06002},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1983__95_178117/}
}