1 - Theory of extremal problems
Ioffe, Aleksandr Davidovich   /   Tikhomirov, Vladimir M. (1934-.....)

Cote : [76 IOF 79]

2 - Two papers on extremal problems in complex analysis
Khavinson, Semen Yakovlevich   /   Leifman, Lev Iakovlevich (Ed.)

Cote : [45 KHA 86]