TY - JOUR T1 - Frege o demonstratívach JF - Organon F Y1 - 2005 A1 - Perry, John IS - 4 VL - 12 SP - 407-428 UR - http://www.klemens.sav.sk/fiusav/doc/organon/2005/4/407-428.pdf U2 - Translations U3 - 407428 TI - Frege on Demonstratives ER -