Josif Shtokalo
Template:Short description Josif Zakharovich Shtokalo (Template:Langx; November 16, 1897 – January 5, 1987) was a famous Ukrainian mathematician. Shtokalo worked mainly in the areas of differential equations, operational calculus and the history of mathematics.[1]
Investigation of the Stability of Lindstedt's Equation Using Shtokalo’s Method by Samuel Kohn contains a description of Shotkalo's method in English.[2]