@article{MV_1976_28_2_a4,
     author = {S. Lajos and F. Szasz},
     title = {On regular rings},
     journal = {Matemati\v{c}ki vesnik},
     pages = {163 },
     year = {1976},
     volume = {28},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/MV_1976_28_2_a4/}
}