http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Singular Phenomena in variational problems
KLOK, Fopke: -- Singular Phenomena in variational problems. -- [Mit holl.Zsfassung.] - Groningen 1983. -- 127 S.m.Fig. 8° -- Groningen,naturwiss.Diss.1983. -- 1985! -- Fie.