"eBook ISBN","Title","Subtitle","Authors/editors","Copyright year","Edition","DOI","Price (EUR)","Additional info"
"978-3-322-93091-0","Direkte Methoden der Variationsrechnung","Eine Einführung unter Berücksichtigung von Randwertaufgaben bei partiellen Differentialgleichungen","Waldemar Velte",1976,"1","https://doi.org/10.1007/978-3-322-93091-0",155,""