@article{DAN_1990_312_6_a8,
     author = {A. S. Pechentsov},
     title = {Traces of higher-order singular differential operators},
     journal = {Doklady Akademii Nauk},
     pages = {1321--1324},
     publisher = {mathdoc},
     volume = {312},
     number = {6},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_312_6_a8/}
}