Gourdin, M. <br/><br/>
Lagrangian formalism and symmetry laws / 
M. Gourdin 
 - New York :  Gordon and Breach Science Publishers,  1969 
 - viii, 100 p. :  ill. ;  24 cm. 
<br/><br/> Translation of Formalisme lagrangien et lois de symetrie. 
<br/><br/>References : p. 97. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Symmetry (Physics)<br/>Quantum field theory