00286nam a2200121Ia 4500082002000000100002200020245005400042250000800096260003400104300001600138500000500154700000500159 a515.24bT617.IT aTitchmarsh, E. C. aIntroduction to the theory of fourier integralsb a2nd aOxfordbClarendon Pressc1975 aviii, 394p. a a