2861 - Approximation of functions |
2862 - Approximation of functions : proceedings of the symposium on approximation of functions, General Motors Research Laboratories, Warren, Michigan, 1964 |
2863 - Approximation of functions : theory and numerical methods |
2864 - Approximation of functions of several variables and imbedding theorems |
2865 - Approximation theory : proceedings of a symposium held at Lancaster, July 1969 |
2866 - Approximation theory. I : proceedings of an international symposium conducted by the University of Texas and the National Science Foundation at Austin, Texas, January 22-24, 1973 |
2867 - Approximation theory. II : proceedings of an International Symposium conducted by the University of Texas, Austin, Texas, January 18-21, 1976 |
2868 - Approximations spectrales de problèmes aux limites elliptiques |
2870 - Arbeiten zur informationstheorie. I. Zweite berichtige Auflage |




