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

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|  __ \\    / _ \\      ___     / _ \\  | \  / || 
| |  \ ||  | / \ ||    /   ||  | / \ || |  \/  || 
| |__/ ||  | \_/ ||   | [] ||  | \_/ || | .  . || 
|_____//    \___//     \__ ||   \___//  |_|\/|_|| 
 -----`     `---`       -|_||   `---`   `-`  `-`  
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