@article{10_1017_S0017089516000112,
     author = {MART\'INEZ-VILLA, ROBERTO},
     title = {ON {THE} {HOMOGENIZED} {ENVELOPING} {ALGEBRA} {OF} {THE} {LIE} {ALGEBRA} {Sl(2,C)} {II}},
     journal = {Glasgow mathematical journal},
     pages = {189--219},
     year = {2017},
     volume = {59},
     number = {1},
     doi = {10.1017/S0017089516000112},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089516000112/}
}