@article{10_1017_S0017089521000148,
     author = {BAVULA, V. V.},
     title = {SIMPLICITY {CRITERIA} {FOR} {RINGS} {OF} {DIFFERENTIAL} {OPERATORS}},
     journal = {Glasgow mathematical journal},
     pages = {347--351},
     year = {2022},
     volume = {64},
     number = {2},
     doi = {10.1017/S0017089521000148},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089521000148/}
}