00484nam a2200145Ia 4500082002000000100003300020245008000053260003400133300001000167490006300177500004700240500000500287700002400292700002200316  a515.64bG528.LM  aGirsanov, Igor Vladimirovich  aLectures on mathematical theory of extremum problemsbcEd. by B. T. Poljak  aBerlinbSpringer-Verlagc1972  a136p.  aLecture notes in Economics and Mathematical systemsv v.67  a"Translated from the Russin by D. Louvish"  a  aPoljak, B. T. ; ed.  aLouvish, D. ; tr.