Text this: Common fixed points for single-valued and multi-valued mappings in G-metric spaces

            _____     _____      ___      ______  
    ___    |  ___||  |__  //    / _ \\   /_   _// 
   /   ||  | ||__      / //    | / \ ||    | ||   
  | [] ||  | ||__     / //__   | \_/ ||   _| ||   
   \__ ||  |_____||  /_____||   \___//   /__//    
    -|_||  `-----`   `-----`    `---`    `--`     
     `-`