@article{NANO_2021_12_3_a0, author = {Mohammed S. Y. Alsharafi and Abdu Q. Alameri}, title = {The {F-index} and coindex of {V-phenylenic} nanotubes and nanotorus and their molecular complement graphs}, journal = {Nanosistemy: fizika, himi\^a, matematika}, pages = {263--270}, publisher = {mathdoc}, volume = {12}, number = {3}, year = {2021}, language = {en}, url = {http://geodesic.mathdoc.fr/item/NANO_2021_12_3_a0/} }