<<< native
[ ESub (EIdentifier "\981") (EIdentifier "n")
, EDelimited "(" ")" [ Right (EIdentifier "\954") ]
, ESymbol Rel "="
, ENumber "0.033"
, ESubsup (EIdentifier "C") (EIdentifier "n") (ENumber "2")
, ESuper
    (EIdentifier "\954")
    (EGrouped
       [ ESymbol Op "\8722"
       , ENumber "11"
       , ESymbol Ord "/"
       , ENumber "3"
       ])
, ESymbol Pun ","
, ESpace (1 % 1)
, EFraction
    NormalFrac (ENumber "1") (ESub (EIdentifier "L") (ENumber "0"))
, ESymbol Rel "\8810"
, EIdentifier "\954"
, ESymbol Rel "\8810"
, EFraction
    NormalFrac (ENumber "1") (ESub (EIdentifier "l") (ENumber "0"))
]
>>> tex
\phi_{n}(\kappa) = 0.033C_{n}^{2}\kappa^{-11/3},\quad\frac{1}{L_{0}} \ll \kappa \ll \frac{1}{l_{0}}