Differential equations of the second order with retarded argument ; some problems of the theory of vibrations of systems with retardation
by S. B. Norkin.
Providence, R.I. : American Mathematical Society, 1972.
vi, 285 págs. ; 24 cm.
Serie: Translations of mathematical monographs ; v. 31
ISBN: 0821815814
Traducción de: Differentsial'nye uravneniia vtorogo poriadka s zapazdyvaiushchim argumentom.
Bibliografía: p. 279-285.
Reseña: MathSciNet, 49 #9367