J. Östensson

Solitons and the removal of eigenvalues for fourth-order differential operators

A. Laptev, J. Hoppe, J. Östensson, 2006 .

Reflectionless potentials for an ordinary differential operator of order four

R. Shterenberg, A. Laptev, V. Sukhanov, 2006 .

Asymptotics for a special solution of the thirty fourth Painlevé equation

A. Kuijlaars, A.B.J. Kuijlaars, A. R. Its, 2008, 0811.3847.

A Riemann-Hilbert approach to some theorems on Toeplitz operators and orthogonal polynomials

Percy Deift, Jörgen Östensson, P. Deift, 2005, J. Approx. Theory.