On bounded univalent functions that omit two given values
Tom 80 / 1999
                    
                    
                        Colloquium Mathematicum 80 (1999), 253-258                    
                                        
                        DOI: 10.4064/cm-80-2-253-258                    
                                    
                                                Streszczenie
Let a,b ∈ {z: 0<|z|<1} and let S(a,b) be the class of all univalent functions f that map the unit disk