TY  - BOOK
AU  - AVRIEL,Mordecai
TI  - Nonlinear programming: analysis and methods 
PY  - 1976///
CY  - Englevood Cliffs
UR  - http://koha.tu.koszalin.pl/cgi-bin/koha/opac-detail.pl?biblionumber=18126
ER  -