Template:Potd/2019-01-05 (pl)

Paraboloida obrotowa o równaniu $z=-a(x^{2}+y^{2}),a>0$.

 Template:Potd/2019-01-05

This is the Polish translation of the Picture of the day description page from 5 January 2019.

Paraboloida obrotowa o równaniu $z=-a(x^{2}+y^{2}),a>0$.

Descriptions in other languages:

• Potd/2019-01-05 (cs)
• Potd/2019-01-05 (de)
• Potd/2019-01-05 (en)
• Potd/2019-01-05 (es)
• Potd/2019-01-05 (hu)
• Potd/2019-01-05 (mk)
• Potd/2019-01-05 (nl)
• Potd/2019-01-05 (pl)
• Potd/2019-01-05 (pt)
• Potd/2019-01-05 (pt-br)
• Potd/2019-01-05 (ru)
• Potd/2019-01-05 (th)