Remove the spaces from the following sentence: This book by Weil shows that Eisenstein's approach is of major importance to the mathematics which is being developed today, a great tribute to a genius who died 150 years ago.
ThisbookbyWeilshowsthatEisenstein'sapproachisofmajorimportancetothemathematicswhichisbeingdevelopedtoday,agreattributetoageniuswhodied150yearsago.