@book{ Solr-11070866, title = {Symmetric Markov processes}, series = {Lecture notes in mathematics (Springer-Verlag) ;}, author = {Silverstein, Martin L., 1939-}, address = {Berlin ; New York}, publisher = {Springer-Verlag}, year = {1974}, pages = {287}, url = {http://link.springer.com/10.1007/BFb0073683} }