@article{ZNSL_2020_492_a4,
     author = {A. I. Generalov},
     title = {Algebraic {Mayer--Vietoris} theorem over preabelian categories},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {61--68},
     publisher = {mathdoc},
     volume = {492},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_492_a4/}
}