1. On a class of efficient learning algorithms for neural networks;Bärmann;Neural Networks,1992
2. Numerische lineare Algebra;Bunse,1985
3. Solving least squares problems;Lawson,1974
4. Parallel distributed processing: Exploration in the microstructure of cognition,1986
5. Einführung in die Numerische Mathematik I;Stoer,1983