TY - JOUR AU - A. V. Stepanov TI - On the coefficient of absorption of ultracold neutrons in a~medium bounded by a~rough surface JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1975 SP - 425 EP - 430 VL - 22 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1975_22_3_a15/ LA - ru ID - TMF_1975_22_3_a15 ER -