where is an Airy function and , the Airy-Fock functions.
On the other hand, Fock (1965) and Kiselev et al. (2003) and Babich and Buldyrev (2008) use the notation to denote twice the quantity in equation (1), and term this function (alone) "the Airy-Fock function."
Babich, V. M. and Kirpichnikova, N. Ya. The Boundary Layer Method in Diffraction Problems. New York: Springer-Verlag, 1979.Babich, M. and Buldyrev, V. S. Asymptotic Methods in Short-Wavelength Diffraction Theory. Alpha Science, 2008.Fock, V. A. Electromagnetic Diffraction and Propagation Problems. Oxford, England: Pergamon Press, 1965.Fok, V. A. Tables of Airy Functions. Moscow, 1946.Hazewinkel, M. (Managing Ed.). Encyclopaedia of Mathematics: An Updated and Annotated Translation of the Soviet "Mathematical Encyclopaedia." Dordrecht, Netherlands: Reidel, p. 65, 1988.Kiselev, A. P.; Yarovoĭ, V. O.; and Vsemirnova, E. A. "Polarization Anomalies of Elastic Waves. Caustic and Penumbra." Zap. Nauchn. Sem. St.-Petersburg. Otdel. Mat. Inst. Steklov. (POMI)297, 2003. Published in Mat. Vopr. Teor. Rasprostr. Voln.32, 136-153 and 275-27. Translation in J. Math. Sci. (N. Y.)127, 2413-2423, 2005.
is an Airy function and 
, the Airy-Fock functions. 
to denote twice the quantity 
in equation (1), and term this function (alone) "the Airy-Fock function." 
is the complex conjugate of 
. 