Robuta

https://www.nist.gov/publications/computation-complex-airy-functions-and-zeros-using-asymptotics-and-differential
airy functionscomputationcomplexzerosusing
https://www.nist.gov/publications/reversion-asymptotic-expansion-and-zeros-airy-functions
The general theories of the derivation of inverses of functions from their power series and asymptotic expansions are discussed and compared.
on theasymptotic expansionreversionzeros