Wirths Karl-Joachim

Publications in Math-Net.Ru

1. Coefficient problems on the class $U(\lambda)$
   
   Probl. Anal. Issues Anal., 7(25):1 (2018),  87–103
2. Coefficient characterizations and sections for some univalent functions
   
   Sibirsk. Mat. Zh., 54:4 (2013),  852–870
3. On an extreme point conjecture for concave functions
   
   Izv. Vyssh. Uchebn. Zaved. Mat., 2011, no. 12,  54–58
4. Concave functions, Blaschke products, and polygonal mappings
   
   Sibirsk. Mat. Zh., 50:4 (2009),  772–779
5. Concave schlicht functions with bounded opening angle at infinity
   
   Lobachevskii J. Math., 17 (2005),  3–10
6. On the coefficient multipliers theorem of Hardy and Littlewood
   
   Lobachevskii J. Math., 11 (2002),  7–12