You can find some on Amazon. Gelfand's Algebra: https://www.amazon.com/Algebra-Israel-M-Gelfand/dp/0817636773/ https://www.amazon.com/Algebra-Israel-M-Gelfand/

You can find some on Amazon. Gelfand's Algebra: https://www.amazon.com/Algebra-Israel-M-Gelfand/dp/0817636773/ https://www.amazon.com/Algebra-Israel-M-Gelfand/dp/081763677... Gelfand's Geometry: https://www.amazon.com/Geometry-Israel-M-Gelfand/dp/1071602977/ https://www.amazon.com/Geometry-Israel-M-Gelfand/dp/10716029... Gelfand's Trigonometry: https://www.amazon.com/Trigonometry-Gelfand-Mathematical-Seminar-Israel/dp/3764339144/ https://www.amazon.com/Trigonometry-Gelfand-Mathematical-Sem...