Asymptotics of coefficients of multivariate generating functions: Improvements for smooth points. Raichev, Alexander, Wilson, Mark C. (2008) The Electronic Journal of Combinatorics [electronic only]
Asymptotische Abschätzung einer Anzahlfunktion in endlichen Relationssystemen. Detlef Wille (1974) Monatshefte für Mathematik
Augmented rook boards and general product formulas. Miceli, Brian K., Remmel, Jeffrey (2008) The Electronic Journal of Combinatorics [electronic only]
Avoiding 2-letter signed patterns. Mansour, Toufik, West, Julian (2002) Séminaire Lotharingien de Combinatoire [electronic only]
Avoiding maximal parabolic subgroups of S k . Mansour, Toufik, Vainshtein, Alek (2000) Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only]