On the class of functions having infinite limit on a given set
Tom 67 / 1994
                    
                    
                        Colloquium Mathematicum 67 (1994), 177-180                    
                                        
                        DOI: 10.4064/cm-67-2-177-180                    
                                    
                                                                
                             
             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                             
                                                         
                                                            