發送短信 : Coincidence point theorems for geraghty-type contraction mappings in generalized metric spaces

  _____     _____   __    __     ___    __    __  
 / ____||  |  ___|| \ \\ / //   / _ \\  \ \\ / // 
/ //---`'  | ||__    \ \/ //   | / \ ||  \ \/ //  
\ \\___    | ||__     \  //    | \_/ ||   \  //   
 \_____||  |_____||    \//      \___//     \//    
  `----`   `-----`      `       `---`       `