@article{MZ_1976__149_172376,
     author = {Nicholas Krier and Yaqub Jill C.D.S.},
     title = {The {Coexistence} of {Elations} and {Homologies.}},
     journal = {Mathematische Zeitschrift},
     pages = {19--28},
     publisher = {mathdoc},
     volume = {149},
     year = {1976},
     zbl = {0341.50005},
     url = {http://geodesic.mathdoc.fr/item/MZ_1976__149_172376/}
}