Determiners are words which come at the beginning of the noun phrase.

• referring determiners
  • articles
  • demonstratives
  • possessives, possessive 's
• quantifying determiners
  • quantifiers
  • numerals
• interrogatives: whose, which, what

Two referring determiners can't be used together.

https://learnenglish.britishcouncil.org/en/english-grammar/determiners-and-quantifiers http://dictionary.cambridge.org/grammar/british-grammar/determiners http://dictionary.cambridge.org/grammar/british-grammar/determiners-the-my-some-this https://en.oxforddictionaries.com/grammar/determiners