Dette verket er falt i det fri i Noreg, og dei landa som har opphavsrettsleg vernetid på 80 år etter opphavsmannen sin død, eller kortare.
This work is in the public domain in the United States because it meets three requirements:
it was first published outside the United States (and not published in the U.S. within 30 days),
it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
it was in the public domain in its home country (Switzerland) on the URAA date (1 January 1996).
For background information, see the explanations on Non-U.S. copyrights. Note: in addition to this statement, there must be a statement on this page explaining why the work was PD on the URAA date in its source country. Additionally, there must be verifiable information about previous publications of the work.
Dette verket er falt i det fri i Noreg, og dei landa som har opphavsrettsleg vernetid på 80 år etter opphavsmannen sin død, eller kortare.
This work is in the public domain in the United States because it meets three requirements:
it was first published outside the United States (and not published in the U.S. within 30 days),
it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
it was in the public domain in its home country (Switzerland) on the URAA date (1 January 1996).
For background information, see the explanations on Non-U.S. copyrights. Note: in addition to this statement, there must be a statement on this page explaining why the work was PD on the URAA date in its source country. Additionally, there must be verifiable information about previous publications of the work.
{{extracted from|File:ETH-BIB-Internationaler Mathematikerkongress, Zürich 1932-Portrait-Portr 10680-FL.tif}} (License inherited from source file:) {{PD-old}} ''Prof. Giambelli'' (left) and ''Dr. Fjeldstad'' (right) at the International Mathematical C...