This paper presents an alternative representation of the wave equation in fractional dimensional space, the order of the derivative is considered as 0
F. Gómez-Aguilar, J.
"Fractional Space Waves in Conductors,"
Progress in Fractional Differentiation & Applications: Vol. 1
, Article 3.
Available at: https://dc.naturalspublishing.com/pfda/vol1/iss4/3