@article{GDZPPN002490471, title = {Decompositions of Factor Maps Involving Bi-closing Maps.}, journal = {Monatshefte f\"ur Mathematik}, volume = {125}, year = {1998}, pages = {165-172}, zbl = {0898.58016}, url = {http://dml.mathdoc.fr/item/GDZPPN002490471} }
Trow, Paul. Decompositions of Factor Maps Involving Bi-closing Maps.. Monatshefte für Mathematik, Tome 125 (1998) pp. 165-172. http://gdmltest.u-ga.fr/item/GDZPPN002490471/