@article{DE_1990_26_6_a13,
     author = {A. Yu. Khrennikov},
     title = {Pseudodifferential operators on {non-Archimedean} spaces},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1044--1054},
     publisher = {mathdoc},
     volume = {26},
     number = {6},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_6_a13/}
}