Generalized Newton-Puiseux Expansion and Abhyankar-Moh Semigroup Theorem. A. Sathaye — 1983 Inventiones mathematicae
Polynomial Ring in Two Variables Over a D.V.R.: A Criterion. A. Sathaye — 1983 Inventiones mathematicae
The second coefficient of a function with all derivatives univalent. Sathaye, A.; Shah, S.M. — 1982 International Journal of Mathematics and Mathematical Sciences