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

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Text this: The nonlinear product of the bessel diamond operator and the bessel klein-gordon operator related to the bessel biharmonic equation