Meaning of YOURS in English
[yours] pron, sing or pl in constr [ME fr. your + -s -'s] (1526): that which belongs to you--used without a following noun as a pronoun equivalent in meaning to the adjective your--often used esp. with an adverbial modifier in the complimentary close of a letter "~ truly" -- yours truly : i, me, myself "I can take care of yours truly"
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012