Recent progress in operator theory / door International Workshop on Operator Theory and Applications (1995 : Regensburg, Germany), Gohberg, I., 1928-, Mennicken, Reinhard, Tretter, C.

ICIAM 95 : proceedings of the third International Congress on Industrial and Applied Mathematics held in Hamburg, Germany, July 3-7, 1995 / door International Congress on Industrial and Applied Mathematics (3rd : 1995 : Hamburg, Germany), Kirchgassner, Klaus, Mahrenholtz, Oskar, Mennicken, Reinhard

Systems and networks : mathematical theory and applications : proceedings of the International Symposium MTNS '93 held in Regensburg, Germany, August 2-6, 1993 / door International Symposium on the Mathematical Theory of Networks and Systems (10th : 1993 : Regensburg, Germany), Helmke, Uwe, 1952-, Mennicken, Reinhard, Saurer, Josef, 1965-