Speaker
            Dr
    Sankirtan Sardar
            
                (Department of Mathematics, Guru Ghasidas Vishwavidyalaya, Bilaspur, (C.G), 495009)
        
        
    Primary author
        
            
                
                        Dr
                    
                
                    
                        Sankirtan Sardar
                    
                
                
                        (Department of Mathematics, Guru Ghasidas Vishwavidyalaya, Bilaspur, (C.G), 495009)
                    
            
        
    
        Co-authors
        
            
                
                        Prof.
                    
                
                    
                        Anup  Bandyopadhyay
                    
                
                
                        (Department of Mathematics, Jadavpur University, Kolkata 700032, India)
                    
            
        
            
                
                        Prof.
                    
                
                    
                        K.P. Das
                    
                
                
                        (Department of Applied Mathematics, University of Calcutta, 92 Acharya Prafulla Chandra Road, Kolkata 700009, India)