SymbolicC++ - an introduction to computer algebra using object-oriented programming (2. ed.). - Kiat Shi Tan; Willi-Hans Steeb; Yorick Hardy (Springer, 2000)

The nonlinear workbook - chaos, fractals, cellular automata, neural networks, genetic algorithms, gene expression programming, support vector machine, wavelets, hidden Markov models, fuzzy logic with C++, Java and SymbolicC++ programs (3. ed.). - Willi-Hans Steeb; Yorick Hardy; Ruedi Stoop (World Scientific, 2005)

The nonlinear workbook - chaos, fractals, cellular automata, neural networks, genetic algorithms, gene expression programming, support vector machine, wavelets, hidden Markov models, fuzzy logic with C++, Java and SymbolicC++ programs (4. ed.). - Willi-Hans Steeb; Yorick Hardy; Ruedi Stoop (World Scientific, 2008)

Vec-Operator, Kronecker Product and Entanglement. - Yorick Hardy; Willi-Hans Steeb (Int. J. Algebra Comput., 2010)

Hamilton Operators, Discrete Symmetries, Brute Force and SymbolicC++ - Willi-Hans Steeb; Yorick Hardy (CoRR, 2012)

Vector Fields, variational equations and Commutators. - Willi-Hans Steeb; Yorick Hardy; Igor Tanski (Int. J. Bifurc. Chaos, 2012)

Entanglement, Kronecker Product, Pauli Spin Matrices and a Nonlinear Eigenvalue Problem. - Willi-Hans Steeb; Yorick Hardy (Open Syst. Inf. Dyn., 2012)

Boolean Functions, Quantum Gates and Computer Algebra. - Yorick Hardy; Willi-Hans Steeb (CoRR, 2014)

An eigenvalue problem for a Fermi system and Lie algebras. - Willi-Hans Steeb; Yorick Hardy (Quantum Inf. Process., 2014)