@article{FPM_2010_16_8_a3,
     author = {E. I. Bunina and A. S. Dobrokhotova-Maykova},
     title = {Elementary equivalence of incidence rings over semi-perfect rings},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {37--48},
     publisher = {mathdoc},
     volume = {16},
     number = {8},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2010_16_8_a3/}
}