Solved and unsolved problems
Michael T. Rassias
Universität Zürich, Switzerland
Cite this article
Michael T. Rassias, Solved and unsolved problems. Eur. Math. Soc. Mag. 123 (2022), pp. 57–66
DOI 10.4171/MAG/78Michael T. Rassias, Solved and unsolved problems. Eur. Math. Soc. Mag. 123 (2022), pp. 57–66
DOI 10.4171/MAG/78