Singer D. A Graph-Theoretic Method for Choosing a Spanning Set for a Finite-Dimensional Vector Space, with Applications to the Grossman-Larson-Wright Module and the Jacobian Conjecture. Electron. J. Combin. [Internet]. 2009Mar.31 [cited 2026Mar.16];16(1):R43. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v16i1r43