@article{ZNSL_1967_4_a15,
     author = {G. E. Mints and V. P. Orevkov},
     title = {On embedding operations},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {160--167},
     publisher = {mathdoc},
     volume = {4},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1967_4_a15/}
}