Vereshchagin I. Sobranie voprosov i zadach pryamolineynoy trigonometrii dlya gimnaziy i realnykh uchilishch./Vereshchagin I. A collection of questions and tasks of rectilinear trigonometry for gymnasiums and real schools. In Russian - landofmagazines.com

TransliterationVereshchagin I. Sobranie voprosov i zadach pryamolineynoy trigonometrii dlya gimnaziy i realnykh uchilishch.

In EnglishVereshchagin I. A collection of questions and tasks of rectilinear trigonometry for gymnasiums and real schools. In Russian

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