Geel, R. (1975). On initial and initial-boundary value problems of hyperbolic type in singular perturbation theory.
Chicago Style (17th ed.) CitationGeel, R. On Initial and Initial-boundary Value Problems of Hyperbolic Type in Singular Perturbation Theory. Amsterdam, 1975.
MLA (9th ed.) CitationGeel, R. On Initial and Initial-boundary Value Problems of Hyperbolic Type in Singular Perturbation Theory. 1975.
Warning: These citations may not always be 100% accurate.