Levinova L.A., Sapgin G.V., Sapgir K.A. Prikljucheniya Kubarika i Tomatika ili veselaya matematika. Chast I. Chast II. Kak iskali Losharika. In Russian/ Levinova a.A., Sapgin Mr..in., Sapgir K.A. Adventures Kubarika and Tomatika or funny mathematician. Part I. Part II. How for Losharika. In Russian, n/a - landofmagazines.com

TransliterationLevinova L.A., Sapgin G.V., Sapgir K.A. Prikljucheniya Kubarika i Tomatika ili veselaya matematika. Chast I. Chast II. Kak iskali Losharika. In Russian

In EnglishLevinova a.A., Sapgin Mr..in., Sapgir K.A. Adventures Kubarika and Tomatika or funny mathematician. Part I. Part II. How for Losharika. In Russian, n/a

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