Julliano R. Nascimento Uéverton S. Souza Jayme Luiz Szwarcfiter Partitioning a Graph into Complementary Subgraphs. 1311-1331 2021 37 Graphs Comb. 4 https://doi.org/10.1007/s00373-021-02319-4 db/journals/gc/gc37.html#NascimentoSS21