Zakharov, V. (1991). What is integrability? Springer-Verlag.
Dyfyniad Arddull ChicagoZakharov, V.E. What Is Integrability? New York: Springer-Verlag, 1991.
Dyfyniad MLAZakharov, V.E. What Is Integrability? Springer-Verlag, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.