Grasman, J. (1969). Uniformly valid approximations and the singular perturbation method.
Chicago Style (17th ed.) CitationGrasman, Johan. Uniformly Valid Approximations and the Singular Perturbation Method. Amsterdam, 1969.
MLA (9th ed.) CitationGrasman, Johan. Uniformly Valid Approximations and the Singular Perturbation Method. 1969.
Warning: These citations may not always be 100% accurate.