Acker, A. (1987). On the qualitative theory of parametrized families of free boundaries. Sonderforschungsbereich 123.
Chicago Style (17th ed.) CitationAcker, Andrew. On the Qualitative Theory of Parametrized Families of Free Boundaries. Heidelberg: Sonderforschungsbereich 123, 1987.
MLA (9th ed.) CitationAcker, Andrew. On the Qualitative Theory of Parametrized Families of Free Boundaries. Sonderforschungsbereich 123, 1987.
Warning: These citations may not always be 100% accurate.