Schwabik, S., Tvrdy, M., Vejvoda, O., & Tvrdy, M. (1979). Differential and integral equations: Boundary value problems and adjoints. Dordrecht: Boston : R. Reidel Pub. Co..
Παραπομπή Chicago StyleSchwabik, Stefan, Milan Tvrdy, Otto Vejvoda, and Milan Tvrdy. Differential and Integral Equations: Boundary Value Problems and Adjoints. Dordrecht: Boston : R. Reidel Pub. Co., 1979.
Παραπομπή MLASchwabik, Stefan, Milan Tvrdy, Otto Vejvoda, and Milan Tvrdy. Differential and Integral Equations: Boundary Value Problems and Adjoints. Dordrecht: Boston : R. Reidel Pub. Co., 1979.
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