@Misc{zbMATH03123372,
Author = {Joseph L. {Doob}},
Title = {{Probability methods applied to the first boundary value problem}},
Year = {1956},
Language = {English},
HowPublished = {{Proc. 3rd Berkeley Sympos. Math. Statist. Probability 2, 49-80 (1956).}},
Zbl = {0074.09101}
}