On certain generalized close-to-star functions in the unit disc
Tom 37 / 1980
                    
                    
                        Annales Polonici Mathematici 37 (1980), 1-11                    
                                        
                        DOI: 10.4064/ap-37-1-1-11                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            