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

  ____       ___    __    __    ______   ______   
 |  _ \\    / _ \\  \ \\ / //  /_   _// |      \\ 
 | |_| ||  / //\ \\  \ \/ //    -| ||-  |  --  // 
 | .  //  |  ___  ||  \  //     _| ||_  |  --  \\ 
 |_|\_\\  |_||  |_||   \//     /_____// |______// 
 `-` --`  `-`   `-`     `      `-----`  `------`