00719nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001600084100002700100245012500127260004200252300001000294650003300304650001900337650003100356942000700387999001500394952010400409IN-BaIIA211028s9999    xx            000 0 eng d  a90-277-0488-0  cIIA Library  a517.97bREK  aRektorys, Karel910085 0aVariational methods in mathematics, science and engineeringcKarel Rektorys                                               aDordrechtbD. Reidel Publishingc1977  a571p.  aDifferential Equations91510  aNASA Thesaurus  aVariational Methods910086  cBK  c5824d5824  00104070aBANbBANcGENd1978-06-13l0o517.97/ REKp6512r2021-11-05w1978-06-13yBKGDFL 135.00