Kauffman, R. M. 1941-

The deficiency index problem for powers of ordinary differential expressions/ Robert M. Kauffman, Thomas T. Read, Antol Zettl. - Berlin ; New York: Springer-Verlag, 1977. - vi, 112 p. ; 25 cm. - Lecture notes in mathematics ; 621. . - Lecture notes in mathematics (Springer-Verlag); 621. .

Includes index.

Bibliography: p. [98]-110.

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77025921 //r952


Boundary value problems---Weyl theory
Differential operators.

510/.8 s 515/.35