RT Journal Article SR Electronic A1 Boháček, Kryštof T1 TI ESTI "Metaphysik" JF Aither YR 2011 VO 3 IS 1 SP 237 OP 249 DO 10.5507/aither.2011.011 UL https://aither.upol.cz/artkey/ath-201101-0011.php AB