00425nam a22001217a 4500020002400000082001700024100003400041245002200075260002900097300003500126500002000161650012200181  a9788120310070 (pbk)  a530.12	bAGR  aAgarwal, B. K. aHari Prakash  aQuantum mechanics  aIndiabPHI Leaningc2019  axiii, 552 p.b: ill.c; 24 cm.  aIncludes Index.  aQuantum theory	aMatter	vPath integrals	vQuantum theory--Mathematics	vPhysics	vRelativistic quantum theory	vFEAS