Text this: Generalization of distributional product of Dirac's delta in hypercone

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