Gera, Milan; Haščák, Alexander Valter Šeda (on the occasion of his sixtieth birthday). (Slovak) Zbl 0737.01015 Math. Bohem. 116, No. 4, 439-444 (1991). MSC: 01A70 Biographies, obituaries, personalia, bibliographies 01A65 Development of contemporary mathematics Keywords:Birthday Biographic References: Šeda, V. PDF BibTeX XML Cite \textit{M. Gera} and \textit{A. Haščák}, Math. Bohem. 116, No. 4, 439--444 (1991; Zbl 0737.01015)