@article{DANMA_2020_491_a16,
     author = {S. V. Popov},
     title = {Parabolic equations with changing direction of time},
     journal = {Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleni\^a},
     pages = {82--85},
     year = {2020},
     volume = {491},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DANMA_2020_491_a16/}
}