Sneddon, Ian N.
Elements of Partial Differential Equations - London Mc Graw Hill 1957 - p.327
Surfaces and Curves in Three Dimensions Partial Differential Equations Laplace Equation Systems of Surfaces
519.2
Elements of Partial Differential Equations - London Mc Graw Hill 1957 - p.327
Surfaces and Curves in Three Dimensions Partial Differential Equations Laplace Equation Systems of Surfaces
519.2