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

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