The classes of univalent functions connected with homographies
Tom 55 / 1991
                    
                    
                        Annales Polonici Mathematici 55 (1991), 349-355                    
                                        
                        DOI: 10.4064/ap-55-1-349-355                    
                                    
                                                Streszczenie
We define some new classes of univalent functions. The Schiffer differential equations are obtained for extremal functions from some of these classes.