Lenarcik, Andrzej, and Mateusz Masternak. 2022. “Effective Proof of Guseĭn-Zade Theorem That Branches May Be Deformed With Jump One”. In Analitic and Algebraic Geometry 4, edited by Tadeusz Krasiński and Stanisław Spodzieja, 95-119. Poland: Lodz University Press. https://doi.org/10.18778/8331-092-3.09.