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1. Inc . L., Ordinary Differential Equations, New York, 1953.

2. Margenau II., Murphy G. ., The Mathematics of Physics and Chemistry, New York, 1956.

3. Mrse P. ., Feshbach H., Methods of Theoretical Physics, vol. 1, New York, 1953 ( : . . Mp, X. , , , 1959).

4. Baghdad E. J., Lectures on Communication Systems Theory, New York, 1961 ( : E. . , , - , 1964).

5. ., ., , ., 1959, . .

6. . ., , . 4, ., 1951. 7. . ., , ., 1964.

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