- Quadratic Forms in Infinite Dimensional Vector Spaces
- Handbook of Optical Systems, Survey of Optical Instruments (Gross/Optical Systems V1-V6 special prices until 6V ST published (VCH))
- Handbook of Optical Systems, Fundamentals of Technical Optics (Gross/Optical Systems V1-V6 special prices until 6V ST published (VCH))
- Studien Zur Theorie Der Quadratischen Formen
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