00434nam a2200133 a 450000500170000008200130001710000250003011000720005524500790012726000610020630000070026765300160027465300100029020251203115425.0  a510bLAk  aLakshminarasimhan, S  a. Subbiah, Dept of Mathematics, Pondicherry University, Pondicherry  aOn gher instbilities and over-reflexion in stratified eluids-linear theory  aDept of Mathematics, Pondicherry University, Pondicherry  a55  aMathematics  aMphil