@article{10_4153_S0008439518000656,
     author = {Banerjee, Abhishek},
     title = {On {Differential} {Torsion} {Theories} and {Rings} with {Several} {Objects}},
     journal = {Canadian mathematical bulletin},
     pages = {703--714},
     year = {2019},
     volume = {62},
     number = {4},
     doi = {10.4153/S0008439518000656},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439518000656/}
}