00751nam0 2200241 450 00001750220090225103507.020081014d1960----km-y0itay50------baengGBy-------001yyCases and problems in economicsby James s. Duesenberry and Lee E. PrestonLondonAllen & Unwin1960XV, 195 p.22 cm001000017503Cases and problems in economics35058Duesenberry,James Stemble134295Preston,Lee E.105824ITUNIPARTHENOPE20081014RICAUNIMARC000017502021/93760NAVA2Cases and problems in economics35058UNIPARTHENOPE01287nam a2200337 i 450099100111000970753620020507111415.0940322s1987 de ||| | eng b10175039-39ule_instLE00642321ExLDip.to Fisicaita515.3/55510.35LC QA372Konopelchenko, Boris Georgievich346619Nonlinear integrable equations :recursion operators, group-theoretical and hamiltonian structures of soliton equations /B.G. KonopelchenkoBerlin :Springer-Verlag,1987viii, 361 p. ;25 cmLecture notes in physics / edited by J. Ehlers...[et al.] ;270Includes indexBibliography: p. [309]-361Differential equations, NonlinearSpectral theory (Mathematics)Transformations (Mathematics)Solitons.b1017503917-02-1727-06-02991001110009707536LE006 510.34/510.39 KON12006000021296le006-E0.00-l- 05250.i1021441027-06-02Nonlinear integrable equations189442UNISALENTOle00601-01-94ma -engde 01