@article{CMFD_2019_65_4_a8,
     author = {D. A. Poluektova and A. Yu. Savin and B. Yu. Sternin},
     title = {On the algebra of operators corresponding to the union of smooth submanifolds},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {672--682},
     publisher = {mathdoc},
     volume = {65},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2019_65_4_a8/}
}