<placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0007824 https://www.geonames.org/1496153">Omsk</placeName> à <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0008242 https://www.geonames.org/1520172"> <choice> <abbr>Petrop.</abbr> <expan>Petropawlowsk</expan> </choice> </placeName> 2<subst xmlns="http://www.tei-c.org/ns/1.0"> <del rendition="#ow">6</del> <add place="across">7</add> </subst>6