@article{MOMA_1998__125_4_178805,
     author = {Paul Trow},
     title = {Decompositions of {Factor} {Maps} {Involving} {Bi-closing} {Maps.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {165--172},
     publisher = {mathdoc},
     volume = {125},
     number = {4},
     year = {1998},
     zbl = {0898.58016},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1998__125_4_178805/}
}