LEADER 00796nam0-22002531i-450- 001 990001134530403321 035 $a000113453 035 $aFED01000113453 035 $a(Aleph)000113453FED01 035 $a000113453 100 $a20000920d1972----km-y0itay50------ba 101 0 $aeng 200 1 $aExamples to extremum and variational principles in mechanics$fby Besdo D. 210 $aWien [etc.]$cSpringer-Verlag$d1972 225 1 $aInternational Centre for Mechanical Sciences. Courses and Lectures$v65 700 1$aBesdo,$bDieter$054466 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001134530403321 952 $a33-F-26$b1538$fMA1 959 $aMA1 996 $aExamples to extremum and variational principles in mechanics$9345328 997 $aUNINA DB $aING01