@article{10_4153_CJM_1978_021_3,
     author = {Isbell, J. R. and Klun, M. I. and Schanuel, S. H.},
     title = {Affine {Parts} of {Algebraic} {Theories} {II}},
     journal = {Canadian journal of mathematics},
     pages = {231--237},
     year = {1978},
     volume = {30},
     number = {2},
     doi = {10.4153/CJM-1978-021-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-021-3/}
}