$1'QN!JY!DN!Bd!8-!BX!_A(B:s $1!Os(B7$1'@{(B, $1!=x!KH':`!6<':`'Oy'X<(B(1948-1950) /s - Wittgenstein, Ludwig; $1'QN!JY!DN!Bd!8-s; $1'`.!D$'^]s ($1!4I!0a!+:s $1!6F'43!4l'CU'`y(B,s, 2019)
Keywords: Wittgenstein, Ludwig -- 1889-1951.