@article{RM_1988_43_5_a21,
     author = {A. K. Kel'mans},
     title = {Matroids and the theorems {of~Whitney} on~$2$-isomorphism and planarity of~graphs},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {239--241},
     publisher = {mathdoc},
     volume = {43},
     number = {5},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1988_43_5_a21/}
}