@article{ZNSL_2022_518_a2,
     author = {N. A. Karol},
     title = {Restriction on minimum degree in the contractible sets problem},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {114--123},
     publisher = {mathdoc},
     volume = {518},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2022_518_a2/}
}