TY  - BOOK
AU  - MILLER,Willard
TI  - Summetry and separation of variables
PY  - 1977///
CY  - London
PB  - Addison-Wesley Publishing Company
UR  - http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=19651
ER  -