539.721  / W639 <br/>
Wightman, A. S. <br/>
       TROUBLES IN THE EXTERNAL FIELD PROBLEM FOR INVARIANT WAVE EQUATIONS 
 / 
 .- N. Y.: Gordon And Breach,  1971 
 .- 68 . 
.- ( Tracts In Mathematics And Natural Sciences  V. 4   
<br/>Lectures From The Coral Gables Conference On Fundamental Interactions At High Energy, January 20-22, 1971 
<br/><u>Subject Headings:</u> <br/>Particles (Nuclear Physics) -- Congs;<br/>Invariants -- Congresses;<br/>Equations -- Congs;
<br><U>Copy Details:</u><br> Acc. No.: <b>A28654</b>, Full Call No.: 539.721 W639,   Item type:  Books , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>