@article{ZNSL_2020_489_a0,
     author = {Yu. A. Alkhutov and M. D. Surnachev},
     title = {Estimates of the fundamental solution for an elliptic equation in divergence form with drift},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {7--35},
     publisher = {mathdoc},
     volume = {489},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_489_a0/}
}