Diophantine Relations Between Rings of S-Integers of Fields of Algebraic Functions in One Variable Over Constant Fields of Positive Characteristic.

Alexandra Shlapentokh Diophantine Relations Between Rings of S-Integers of Fields of Algebraic Functions in One Variable Over Constant Fields of Positive Characteristic. 158-192 1993 58 J. Symb. Log. 1 db/journals/jsyml/jsyml58.html#Shlapentokh93 http://projecteuclid.org/euclid.jsl/1183744183