Functions of real variables Electronic resources (E-books) 311 Mathematical analysis 67 Functional analysis 57 Analysis (Mathematics) 52 Measure theory 39 Partial differential equations 32 more ... Functions of complex variables 30 Probabilities 30 Engineering mathematics 23 Differential equations 22 Operator theory 22 Sequences (Mathematics) 22 Applied mathematics 21 Fourier analysis 20 Approximation theory 17 Numerical analysis 15 Mathematical logic 14 Topology 14 Difference equations 13 Functional equations 13 Special functions 13 Integral equations 11 Mathematical optimization 11 Algebra 10 Manifolds (Mathematics) 10 Mathematical physics 10 Integral transforms 9 Lie groups 9 Mathematics 9 less ...