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

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