TY  - BOOK
AU  - HADLEY,G.
AU  - KEMP,M.C.
TI  - Variational methods in economics
PY  - 1971///
CY  - Amsterdam
PB  - North Holland
UR  - http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=15629
ER  -