1
Symmetry methods for differential equations : a beginner's guide /
Book
...MSA - Mathematical methods - general...
2
Introduction to perturbation methods.
Book
...MSA - Mathematical methods - general...
3
Unilateral problems in structural analysis. 4 : meeting on unilateral problems in structural analysis 4: proceedings : Capri, 14.06.89-16.06.89.
Book
...MSA - Mathematical methods - general...
4
Perturbation methods, bifurcation theory, and computer algebra /
Book
...MSA - Mathematical methods - general...