document.write("« Nonlocal multicontinua upscaling for multicontinua flow problems in fractured porous media. (arXiv:1807.05656v1 [math.NA])");document.write(" | ");document.write("Notes on (the Birmak-Krein-Vishik theory on) selfadjoint extensions of semibounded symmetric operators. (arXiv:1807.05363v1 [math.FA]) »");