On the Ramification of Algebraic Functions Part II: Unaffected Equations for Characteristic Two
Shreeram S. Abhyankar · Transactions of the American Mathematical Society · 1958
Shreeram Abhyankar, On the Ramification of Algebraic Functions Part II: Unaffected Equations for Characteristic Two, Transactions of the American Mathematical Society, Vol. 89, No. 2 (Nov., 1958), pp. 310-324