тот или иной

Determiner

 * 1) some, any, (a) particular, (a) certain, (a) given, one [noun] or another, this or that

Usage notes
Often translated as simply "a/an".

Pronoun

 * 1) (a) particular one(s), (a) certain one(s), (a) given one(s), one or another, this or that one