@article{ZNSL_2014_427_a5,
     author = {A. V. Pastor},
     title = {About vertices of degree~$6$ of $C_3$-critical minimal $6$-connected graph},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {89--104},
     publisher = {mathdoc},
     volume = {427},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2014_427_a5/}
}