00425nam a22001577a 4500003000400000005001700004008004100021020001800062082001600080100002100096245005500117260003700172300001800209653001600227653002400243OSt20260325152051.0260325b        |||||||| |||| 00| 0 eng d  a9783110613919  a515.7bM34E  aMarkin, Marat V.  aelementary functional analysiscby Marat V. Markin  aBostonbWalter de gruyter c2018  axv, 314p.bPB  aMathematics  aFunctional analysis