Полное собрание сочинений. Т. 2 : Сочинения по геометрии. Геометрия. Новые начала геометрии с полной теорией параллельных

Полное собрание сочинений. Т. 2 : Сочинения по геометрии. Геометрия. Новые начала геометрии с полной теорией параллельных

603 Pages · 1949 · 9.44 MB · Russian
by Лобачевский Н.И.
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“ You often feel tired, not because you've done too much, but because you've done too little of what sparks a light in you. ” ― Anonymous
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