Working question

Author	Тихомиров Лев Александрович
Description	Tikhomirov, Lev Alexandrovich  (1852-1923).     rus Working question: (practical ways of solving it) / Lev Tikhomirov .- Moscow: Type. VA Zhdanovich, 1909 .- [2], 257, VI p. ; 16 centimeters . 1. working question ББК Т3 (2) 523-42,014.2 ББК 63.3 (2) 533-421ю18 Source: RSL
Publisher	Тип. В. А. Жданович