Sum, N. (2014). The hit problem for the polynomial algebra of four variables.
Citazione stile Chigago Style (17a edizione)Sum, Nguyen. The Hit Problem for the Polynomial Algebra of Four Variables. 2014.
Citatione MLA (9a ed.)Sum, Nguyen. The Hit Problem for the Polynomial Algebra of Four Variables. 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.