Referências: |
BACHMAN, G. e NARICI, L. - Functional Analysis. New York, Academic Press, 1966. DUNFORD, N. e SCHWARTZ, J. - Linear Operators, Vol. 1, Wiley Interscience. New York, 1964. REED, M. e SIMON, B. - Methods of Modern Mathematical. Physics, vol. I. New York, Academic Press, 1972. RIESZ, F. e NAGY, B. - Functional Analysis. New York, Frederick Ungar, 1955. |