document.write("« Approximate controllability for Navier--Stokes equations in $\mathrm{3D}$ rectangles under Lions boundary conditions. (arXiv:1712.04900v1 [math.OC])");document.write(" | ");document.write("Approximation of Sojourn Times of Gaussian Processes. (arXiv:1712.04770v1 [math.PR]) »");