00383nam a2200121Ia 4500008004100000041001200041082002200053100001600075245009400091260003600185300001400221650002600235231217s9999    xx            000 0 und d  aEnglish  a515.353  SMI;1  R  aSmith, G D. 0aNumerical solution of partial differetial equations : with exescises and worked solutions  c1965bOxford UniversityaLondon  aviii, 179  aDifferential equation