The obstruction to the deformation of a map out of a subspace
R. Dobreńko
GDML_Books, (1990), p.

Introduction1. Preliminaries.............................................................................................52. The obstruction to the deformation of a map out of a subspace.............123. The case of smooth closed oriented manifolds.......................................174. The invariant oB(f) for PD-spaces.....................................................215. The local case of obstruction theory.......................................................24References.................................................................................................29

EUDML-ID : urn:eudml:doc:268362 
@book{bwmeta1.element.zamlynska-05f04bc3-4b64-4a12-a3b9-a9f32de60026,
     author = {R. Dobre\'nko},
     title = {The obstruction to the deformation of a map out of a subspace},
     series = {GDML\_Books},
     publisher = {Instytut Matematyczny Polskiej Akademi Nauk},
     address = {Warszawa},
     year = {1990},
     zbl = {0728.55002},
     language = {en},
     url = {http://dml.mathdoc.fr/item/bwmeta1.element.zamlynska-05f04bc3-4b64-4a12-a3b9-a9f32de60026}
}

R. Dobreńko. The obstruction to the deformation of a map out of a subspace. GDML_Books (1990),  http://gdmltest.u-ga.fr/item/bwmeta1.element.zamlynska-05f04bc3-4b64-4a12-a3b9-a9f32de60026/