Paradoks velikogo Pta, ili Ėkskursii͡a︡ v proshloe, bitkom nabitai͡a︡ zagadkami, razmyshlenii͡a︡mi i predpolozhenii͡a︡mi o tom, chto bylo, kogda vrode by nichego ne bylo.
Subtitle: [Povestʹ.
By: Poslesl. d-ra ist. nauk G. Markova. Ill.: P. Luganskiĭ.
Series: Biblioteka sovetskoĭ fantastiki
Publisher: "Mol. gvardii͡a︡,"
Published: 1970
Place of publication: Moskva]
Language: rus
Number of pages: 256
Notes: At head of title: A. Zharenov.