Jorgensen, Palle E.T. <br/><br/>
Operator commutation relations :  commutation relations for operators, semigroups and resolvents with applications to mathematical physics and representations of life groups / 
Palle E.T. Jorgensen and Robert T. Moore 
 - Dordrecht :  D. Reidel Publishing Company,  1984 
 - 493 p. :  ill. ;  22 cm. 
 - Mathematics and its applications .
<br/><br/><label>ISBN: </label>9027717109 
<br/><br/><label>LCCN: </label>83-26957 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Partial differential operators<br/>Commutation relations