@misc{ZNSL_2015_441_a2,
     title = {M. {I.~Gordin} on {Doeblin} and on {Doeblin{\textendash}Fortet} work (excerpts from letters)},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {13--16},
     year = {2015},
     volume = {441},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2015_441_a2/}
}