00317nam a2200145Ia 4500008004100000020001800041082001200059100001600071245001300087260001100100260002600111260000900137300000900146650001600155240717s9999    xx            000 0 und d  a9788181420608  a510 GAV  aGaur etal   0aDynamics  aJaipur  bRBD Publication house  c2022  a9.28  aMathematics