Man pages matching name globus_gsi_gssapi_extensions in section 3:

globus_gsi_gssapi_extensions.3.en	debian 10 / libglobus-gssapi-gsi-doc
globus_gsi_gssapi_extensions.3.en	debian 11 / libglobus-gssapi-gsi-doc
globus_gsi_gssapi_extensions.3.en	debian 12 / libglobus-gssapi-gsi-doc