SOMOGYI, Ildiko, and Anna SOÓS. 2016. “Interpolation Methods for Multivalued Functions: Dedicated to Professor Gheorghe Coman on the Occasion of His 80th Anniversary”. Studia Universitatis Babeș-Bolyai Mathematica 61 (3):377-82. https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5603.