1. 1 ALTMAN M A, A Generalized Gradient Method of Minimizing a Functional on a Nonlinear Surface with Application to Nonlinear Programming, Mathematica (Cluj), Vol 11, No 34 1969 pp 13-272582460213.17203
2. 2 FUCIK S,NECAS J and SOUCEK V, Spectral Analysis of Nonlinear Operators In Lecture Notes m Mathematics Springer-Verlag, 1973
4674210268.47056
3. 3 KRATOCHVIL A and NECAS J
Secant Modulus Method for the Construction of a Solution of Nonlinear Eigenvalue Problems, Bollessmo U M I, Vo l16-B, No 5, 1979, pp 694-7105464850435.47061
4. 4 NECAS J, An Approximate Method for Finding Critical Points of Even Functionals (in Russian), Trudy Matem Inst A N S S S R , Vol 134, 1975, pp 235-2393911690374.47034
5. 5 PETRY W, Iterative Construction of a Solution of Nonlinear Eigenvalue Problems, Mathematica (Cluj), Vol 14, No 37, 2, 1972, pp 317-3373584790282.65049