TY - RPRT TI - Parameter estimation of sigmoid superpositions: dynamical system approach. AU - Ivan Tyukin AU - Cees van Leeuwen AU - Danil Prokhorov PY - 2003 DO - 10.1162/089976603322362428 UR - https://pubmed.ncbi.nlm.nih.gov/14511528/ ID - 14511528 ER -