@article{ZNSL_2019_484_a7,
     author = {V. A. Koibaev},
     title = {Embedding an elementary net into a gap of nets},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {115--120},
     publisher = {mathdoc},
     volume = {484},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2019_484_a7/}
}