@article{10_1017_S0017089510000224,
     author = {GONZ\'ALEZ-F\'EREZ, JUAN and MAR\'IN, LEANDRO},
     title = {MONOMORPHISMS {AND} {KERNELS} {IN} {THE} {CATEGORY} {OF} {FIRM} {MODULES}},
     journal = {Glasgow mathematical journal},
     pages = {83--91},
     year = {2010},
     volume = {52},
     number = {A},
     doi = {10.1017/S0017089510000224},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089510000224/}
}