https://opac.ru.ac.bd/cgi-bin/koha/opac-search.pl?q=ccl=an%3A19833&sort_by=relevance&format=rss 3 0 100 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6302 By Fröman, Nanny..
Amsterdam, North-Holland Pub. Co.; [sole distributors for U.S.A.: Interscience Publishers, New York] 1965 .
viii, 138 p. : 23 cm..

]]> Place hold on JWKB approximation :

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=6302 ISBN: https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=8194 By Corson, E. M..
London : Blackie & son, 1951 .
xi, 308 p. : 27 cm..

]]> Place hold on Perturbation methods in the quantum mechanics of n-electron systems /

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=8194 ISBN:3540510583 | 0387510583 https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=67368 ]]> By Scharf, G..
London : Springer-Verlag, 1989 .
x, 224 p. ; , Includes index 25 cm..
3540510583 | 0387510583

]]> Place hold on Finite quantum electrodynamics /

]]> https://opac.ru.ac.bd/cgi-bin/koha/opac-detail.pl?biblionumber=67368