curl download external file

Hi
Im download an external pdf file using curl but i could not do it any one can help me to write a script to download the following file to my computer. this is file url https://sci-hub.se/10.1016/j.acap.2014.10.010 it is a pdf file when i type this url i want to download. in the url (https://sci-hub.se/) is permanent only last section (10.1016/j.acap.2014.10.010) is changing can have a script to do that pls. any expert pl help me