Colton, D. (1976). Solution of boundary value problems by the method of integral operators. Pitman Pub.
Lua i Stíl Chicago (17ú heag.)Colton, D.L. Solution of Boundary Value Problems by the Method of Integral Operators. London ; San Francisco: Pitman Pub, 1976.
Lua MLA (9ú heag.)Colton, D.L. Solution of Boundary Value Problems by the Method of Integral Operators. Pitman Pub, 1976.
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