@article{ZNSL_1976_60_a6,
     author = {S. Yu. Maslov},
     title = {Absorption relation on regular sets},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {65--74},
     publisher = {mathdoc},
     volume = {60},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1976_60_a6/}
}