Note that the index numbers are only technical numbers which have no persistence. After a new system generation is done, all of them are invalid. To generate a persistent link, use the name.Use the URL:
http://ww-person.com/cgi-bin/l3/LANG=germ/F=Antonio@José@de@Calasanz@Mariano@de@los@Dolores@Ignacio/N=López-Fernández@de@Heredia@y@Fernández@de@Navarrete@*@de@Bureta
alternatively: /cgi-bin/llmult/LANG=germ/P=20015349