@article{MS2_1968__22_166047,
     author = {P.J. Hilton and A. Deleanu},
     title = {Some {Remarks} on {General} {Cohomology} {Theories.}},
     journal = {Mathematica Scandinavica},
     pages = {227--240},
     publisher = {mathdoc},
     volume = {22},
     year = {1968},
     zbl = {0174.26002},
     url = {http://geodesic.mathdoc.fr/item/MS2_1968__22_166047/}
}