Text this: Singular differential equations with (n,p) boundary conditions

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