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

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Text this: Fixed points for multivalued mappings and the metric completeness