(with A. Schinzel) Some arithmetic properties of polynomials in several variables, Transcendence theory: advances and applications (Cambridge, 1976), Academic Press (London), 1977, pp. 195-203. MR57#12447 (R. Tijdeman)
Zeros of approximations to the zeta function, Studies in pure mathematics (to the Memory of Paul Turán), Birkhäuser (Basel), 1983, pp. 497-506. MR87a:11081 (M. Jutila)