ਫਰਮਾ:PlanetMath attribution
This article incorporates material from [[PlanetMath:ਗ਼ਲਤੀ:ਅਣਪਛਾਤਾ ਚਿੰਨ੍ਹ "{"।|{{{title}}}]] on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike License.
This article incorporates material from [[PlanetMath:ਗ਼ਲਤੀ:ਅਣਪਛਾਤਾ ਚਿੰਨ੍ਹ "{"।|{{{title}}}]] on PlanetMath, which is licensed under the Creative Commons Attribution/Share-Alike License.
