NASA  / CR-837 <br/>
Sagan,Hans <br/>
       LAGRANGE PROBLEMS WITH A VARIABLE ENDPOINT AS OPTIMAL CONTROL PROBLEMS. 
 / 
 .-  Nasa, Washington, D.C.,  1969 
 .- 6 . 
<br/>Bound With Nasa Cr-835-36,838-40. 
<br><U>Copy Details:</u><br> Acc. No.: <b>TR12312</b>, Full Call No.: NASA CR-837,   Item type:  Technical Report , Location: General Stacks, <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>