Cohen, Abraham  b. 1870. <br/><br/>
An introduction to the Lie theory of one-parameter groups:  with applications to the solution of differential equations/ 
by Abraham Cohen. 
 - New York:  G.E. Stechert,  1931. 
 - vii, 248 p:  ill;  21 cm. 
<br/><br/> "Reprint of edition 1911." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Continuous groups.<br/>Differential equations.
<br/><br/><label>Dewey Class. No.: </label>515.35  / C678i