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Mathematical Foundations of Quantum Mechanics (Texts And Readings In Mathematics) https://www.amazon.in/dp/9380250126/ref=cm_sw_r_awdo_navT_g_MXQHGHSMVT3ADJVYZK74?psc=1
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Coding theorems of classical and quantum information theory (Texts and Readings in Mathematics) https://www.amazon.in/dp/938025041X/ref=cm_sw_r_awdo_navT_g_9V6ZTW1JGS93827G6S9V